 |
| View previous topic :: View next topic |
| Author |
Message |
ramonmercado Psycho Punk
Joined: 19 Aug 2003 Total posts: 17938 Location: Dublin Gender: Male |
 Posted: 02-07-2012 12:24 Post subject: |
 |
|
|
Had 2 mugs of coffee this am and now more good coffee news.
| Quote: | Coffee consumption inversely associated with risk of most common form of skin cancer
http://medicalxpress.com/news/2012-07-coffee-consumption-inversely-common-skin.html
July 2nd, 2012 in Cancer
Increasing the number of cups of caffeinated coffee you drink could lower your risk of developing the most common form of skin cancer, basal cell carcinoma, according to a study published in Cancer Research, a journal of the American Association for Cancer Research.
"Our data indicate that the more caffeinated coffee you consume, the lower your risk of developing basal cell carcinoma," said Jiali Han, Ph.D., associate professor at Brigham and Women's Hospital, Harvard Medical School in Boston and Harvard School of Public Health.
"I would not recommend increasing your coffee intake based on these data alone," said Han. "However, our results add basal cell carcinoma to a list of conditions for which risk is decreased with increasing coffee consumption. This list includes conditions with serious negative health consequences such as type 2 diabetes and Parkinson's disease."
Basal cell carcinoma is the form of skin cancer most commonly diagnosed in the United States. Even though it is slow-growing, it causes considerable morbidity and places a burden on health care systems.
"Given the large number of newly diagnosed cases, daily dietary changes having any protective effect may have an impact on public health," said Han.
Han and his colleagues generated their results by conducting a prospective analysis of data from the Nurses' Health Study, a large and long-running study to aid in the investigation of factors influencing women's health, and the Health Professionals Follow-up Study, an analogous study for men.
Of the 112,897 participants included in the analyses, 22,786 developed basal cell carcinoma during the more than 20 years of follow-up in the two studies. An inverse association was observed between all coffee consumption and risk of basal cell carcinoma. Similarly, an inverse association was seen between intake of caffeine from all dietary sources (coffee, tea, cola and chocolate) and risk of basal cell carcinoma. However, consumption of decaffeinated coffee was not associated with a decreased risk of basal cell carcinoma.
"These results really suggest that it is the caffeine in coffee that is responsible for the decreased risk of basal cell carcinoma associated with increasing coffee consumption," said Han. "This would be consistent with published mouse data, which indicate caffeine can block skin tumor formation. However, more studies in different population cohorts and additional mechanistic studies will be needed before we can say this definitively."
In contrast to the findings for basal cell carcinoma, neither coffee consumption nor caffeine intake were inversely associated with the two other forms of skin cancer, squamous cell carcinoma and melanoma, the most deadly form of the disease.
Only 1,953 cases of squamous cell carcinoma and 741 cases of melanoma were recorded among the 112,897 participants included in Han's analyses.
"It is possible that these numbers are insufficient for any association with coffee consumption to be seen," said Han. "As the study participants are followed for a longer time, the number of cases of these conditions is likely to increase. We may be in a position in 10 years' time to better address this issue."
Provided by American Association for Cancer Research
"Coffee consumption inversely associated with risk of most common form of skin cancer." July 2nd, 2012.
http://medicalxpress.com/news/2012-07-coffee-consumption-inversely-common-skin.html
|
|
|
| Back to top |
|
 |
| ramonmercado Psycho Punk
Joined: 19 Aug 2003 Total posts: 17938 Location: Dublin Gender: Male |
| Posted: 02-07-2012 12:28 Post subject: |
|
|
|
This is a day to explore the joy of coffee!
| Quote: | Moderate coffee consumption offers protection against heart failure
June 26th, 2012 in Cardiology
While current American Heart Association heart failure prevention guidelines warn against habitual coffee consumption, some studies propose a protective benefit, and still others find no association at all. Amidst this conflicting information, research from Beth Israel Deaconess Medical Center attempts to shift the conversation from a definitive yes or no, to a question of how much.
"Our results did show a possible benefit, but like with so many other things we consume, it really depends on how much coffee you drink," says lead author Elizabeth Mostofsky, MPH, ScD, a post-doctoral fellow in the cardiovascular epidemiological unit at BIDMC. "And compared with no consumption, the strongest protection we observed was at about four European, or two eight-ounce American, servings of coffee per day."
The study published June 26 online in the Journal Circulation: Heart Failure, found that these moderate coffee drinkers were at 11 percent lower risk of heart failure.
Data was analyzed from five previous studies – four conducted in Sweden, one in Finland – that examined the association between coffee consumption and heart failure. The self-reported data came from 140,220 participants and involved 6,522 heart failure events.
In a summary of the published literature, the authors found a "statistically significant J-shaped relationship" between habitual coffee consumption and heart failure, where protective benefits begin to increase with consumption maxing out at two eight-ounce American servings a day. Protection slowly decreases the more coffee is consumed until at five cups, there is no benefit and at more than five cups a day, there may be potential for harm.
It's unclear why moderate coffee consumption provides protection from heart failure, but the researchers say part of the answer may lie in the intersection between regular coffee drinking and two of the strongest risk factors for heart failure – diabetes and elevated blood pressure.
"There is a good deal of research showing that drinking coffee lowers the risk for type 2 diabetes, says senior author Murray Mittleman, MD, DrPH, a physician in the Cardiovascular Institute at Beth Israel Deaconess Medical Center, an Associate Professor of Medicine at Harvard Medical School and director of BIDMC's cardiovascular epidemiological research program. "It stands to reason that if you lower the risk of diabetes, you also lower the risk of heart failure."
There may also be a blood pressure benefit. Studies have consistently shown that light coffee and caffeine consumption are known to raise blood pressure. "But at that moderate range of consumption, people tend to develop a tolerance where drinking coffee does not pose a risk and may even be protective against elevated blood pressure," says Mittleman.
This study was not able to assess the strength of the coffee, nor did it look at caffeinated versus non-caffeinated coffee.
"There is clearly more research to be done," says Mostofsky. "But in the short run, this data may warrant a change to the guidelines to reflect that coffee consumption, in moderation, may provide some protection from heart failure."
Provided by Beth Israel Deaconess Medical Center
"Moderate coffee consumption offers protection against heart failure." June 26th, 2012.
http://medicalxpress.com/news/2012-06-moderate-coffee-consumption-heart-failure.html
|
|
|
| Back to top |
|
|
| ramonmercado Psycho Punk
Joined: 19 Aug 2003 Total posts: 17938 Location: Dublin Gender: Male |
| Posted: 22-07-2012 23:06 Post subject: |
|
|
|
Well, its caffeine news, I blame Starbucks. Charts a t link.
| Quote: | Study finds 'caffeinated' Oregon coast waters
July 19th, 2012 in Space & Earth / Environment
Enlarge
Sampling areas from Oregon, North Coast
(Phys.org) -- A new study finds elevated levels of caffeine at several sites in Pacific Ocean waters off the coast of Oregon—though not necessarily where researchers expected.
This study is the first to look at caffeine pollution off the Oregon coast. It was developed and conducted by Portland State University master’s student Zoe Rodriguez del Rey and her faculty adviser Elise Granek, assistant professor of Environmental Science and Management, in collaboration with Steve Sylvester of Washington State University, Vancouver.
In spring 2010, Rodriguez del Rey and Granek collected and analyzed samples from 14 coastal locations and seven adjacent water bodies as far north as Astoria, Ore., and as far south as Brookings.
Locations were identified as potentially polluted if they were near wastewater treatment plants, large population centers or rivers and streams emptying into the ocean.
Sampling areas from Oregon, South Coast
The study found high caffeine levels near Carl Washburne State Park (Florence, Ore.) and Cape Lookout, two areas not near the potential pollution sources, yet low levels of caffeine near large population centers like Astoria/Warrenton and Coos Bay.
High levels were also found following a late-season storm of wind and rain that triggered sewer overflows.
Results of the study were published in the July 2012 Marine Pollution Bulletin, “Occurrence and concentration of caffeine in Oregon coastal waters.”
The results seem to indicate that wastewater treatment plants are effective at removing caffeine, but that high rainfall and combined sewer overflows flush the contaminants out to sea. The results also suggest that septic tanks, such as those used at the state parks, may be less effective at containing pollution.
“Our study findings indicate that, contrary to our prediction, the waste water treatment plants are not a major source of caffeine to coastal waters,” says Granek. “However, onsite waste disposal systems may be a big contributor of contaminants to Oregon’s coastal ocean and need to be better studied to fully understand their contribution to pollution of ocean waters.”
Caffeine is found in many food and beverage products as well as some pharmaceuticals, and caffeine pollution is directly related to human activity (although many plant species produce caffeine, there are no natural sources of the substance in the Northwest). The presence of caffeine may also signal additional anthropogenic pollution, such as pesticides, pharmaceuticals and other contaminants.
Even “elevated levels” of caffeine are measured in nanograms per liter, well below a lethal dose for marine life. However, an earlier study by Rodriguez del Rey and Granek on intertidal mussels showed that caffeine at the levels measured in this current study can still have an effect despite the lower doses
“We humans drink caffeinated beverages because caffeine has a biological effect on us—so it isn’t too surprising that caffeine affects other animals, too,” says Granek. Previous studies have found caffeine in other bodies of water around the world, including the North Sea, the Mediterranean, Puget Sound, Boston Harbor, and Sarasota Bay, Fla.
The project was funded in part by an Oregon Sea Grant Program Development Grant and the National Oceanographic and Atmospheric Administration. Granek has submitted a grant to further study septic tanks in coastal areas, which could help identify the extent to which these systems are sources of contamination to Oregon’s marine waters.
Provided by Portland State University
"Study finds 'caffeinated' Oregon coast waters." July 19th, 2012. http://phys.org/news/2012-07-caffeinated-oregon-coast.html
|
|
|
| Back to top |
|
|
| disgruntledgoth Great Old One Joined: 15 Jul 2005 Total posts: 350 Age: 25 Gender: Male |
| Posted: 23-07-2012 19:50 Post subject: |
|
|
|
| The amount of coffee I drink in a day, might make me immortal... |
|
| Back to top |
|
|
| ramonmercado Psycho Punk
Joined: 19 Aug 2003 Total posts: 17938 Location: Dublin Gender: Male |
| Posted: 08-11-2012 16:32 Post subject: |
|
|
|
Worrying news, full text at link.
| Quote: | Arabica Coffee Could Be Extinct in the Wild Within 70 Years
http://www.sciencedaily.com/releases/2012/11/121107200144.htm
ScienceDaily (Nov. 7, 2012) — A study conducted by scientists at the Royal Botanic Gardens, Kew (UK), in collaboration with scientists in Ethiopia, reports that climate change alone could lead to the extinction of wild Arabica coffee (Coffea arabica) well before the end of this century. Wild Arabica is considered important for the sustainability of the coffee industry due to its considerable genetic diversity. The Arabicas grown in the world's coffee plantations are from very limited genetic stock and are unlikely to have the flexibility required to cope with climate change and other threats, such as pests and diseases. In Ethiopia, the largest producer of coffee in Africa, climate change will also have a negative influence on coffee production. The climate sensitivity of Arabica is confirmed, supporting the widely reported assumption that climate change will have a damaging impact on commercial coffee production worldwide. These are worrying prospects for the world's favourite beverage – the second most traded commodity after oil, and one crucial to the economies of several countries. The research is published in PLOS ONE on 7 November 2012.
The study, which uses computer modelling, represents the first of its kind for wild Arabica coffee. In fact, modelling the influence of climate change on naturally occuring populations of any coffee species has never been undertaken. Surprisingly, even studies on plantation coffee have been limited, despite the concerns of farmers and other industry stakeholders.
The researchers used field study and 'museum' data (including herbarium specimens) to run bioclimatic models for wild Arabica coffee, in order to deduce the actual (recorded) and predicted geographical distribution for the species. The distribution was then modelled through time until 2080, based on the Hadley Centre Coupled Model, version 3 (HadCM3), a leading model used in climate change research, and the only one available that covered the desired time intervals, for several emission scenarios, at the resolution required (1 km). Three different emission scenarios over three time intervals (2020, 2050, 2080) were used. The models showed a profoundly negative influence on the number and extent of wild Arabica populations.
Two main types of analysis were performed: a locality analysis and an area analysis. In the locality analysis the most favourable outcome is a c. 65% reduction in the number of pre-existing bioclimatically suitable localities, and at the worst, an almost 100% (99.7%) reduction, by 2080. In the area analysis the most favourable outcome is a 38% reduction, and the least favourable a c. 90% reduction, by 2080. Bioclimatic suitability refers to the combination of climatic variables that are necessary for the health and survival of a species: loss of optimum bioclimatic suitability places natural populations under severe environmental stress, leading to a high risk of extinction. This study assesses the survival of Arabica, rather than productivity or beverage quality, under the influence of accelerated climate change. There are other studies showing that the productivity (yield of coffee beans) and beverage quality (e.g. taste) of Arabica are tightly linked to climatic variability, and are strongly influenced by natural climatic fluctuations.
|
|
|
| Back to top |
|
|
| ramonmercado Psycho Punk
Joined: 19 Aug 2003 Total posts: 17938 Location: Dublin Gender: Male |
| Posted: 13-01-2013 20:52 Post subject: |
|
|
|
| Quote: | Hold the diet soda? Sweetened drinks linked to depression, coffee tied to lower risk
January 8th, 2013 in Health
New research suggests that drinking sweetened beverages, especially diet drinks, is associated with an increased risk of depression in adults while drinking coffee was tied to a slightly lower risk. The study was released today and will be presented at the American Academy of Neurology's 65th Annual Meeting in San Diego, March 16 to 23, 2013.
"Sweetened beverages, coffee and tea are commonly consumed worldwide and have important physical—and may have important mental—health consequences," said study author Honglei Chen, MD, PhD, with the National Institutes of Health in Research Triangle Park in North Carolina and a member of the American Academy of Neurology.
The study involved 263,925 people between the ages of 50 and 71 at enrollment. From 1995 to 1996, consumption of drinks such as soda, tea, fruit punch and coffee was evaluated. About 10 years later, researchers asked the participants whether they had been diagnosed with depression since the year 2000. A total of 11,311 depression diagnoses were made.
People who drank more than four cans or cups per day of soda were 30 percent more likely to develop depression than those who drank no soda.
Those who drank four cans of fruit punch per day were about 38 percent more likely to develop depression than those who did not drink sweetened drinks. People who drank four cups of coffee per day were about 10 percent less likely to develop depression than those who drank no coffee. The risk appeared to be greater for people who drank diet than regular soda, diet than regular fruit punches and for diet than regular iced tea.
"Our research suggests that cutting out or down on sweetened diet drinks or replacing them with unsweetened coffee may naturally help lower your depression risk," said Chen. "More research is needed to confirm these findings, and people with depression should continue to take depression medications prescribed by their doctors."
Provided by American Academy of Neurology
"Hold the diet soda? Sweetened drinks linked to depression, coffee tied to lower risk." January 8th, 2013. http://medicalxpress.com/news/2013-01-diet-soda-sweetened-linked-depression.html |
|
|
| Back to top |
|
|
| ramonmercado Psycho Punk
Joined: 19 Aug 2003 Total posts: 17938 Location: Dublin Gender: Male |
| Posted: 17-01-2013 17:02 Post subject: |
|
|
|
You'll remember this in the wee hours.
| Quote: | Coffee Drinking Tied To Urinary Incontinence In Men
http://www.medicalnewstoday.com/articles/255021.php
17 Jan 2013
Men who consume about two cups of coffee a day, or the equivalent amount of caffeine, are significantly more likely to have urinary incontinence or a "leaky bladder" than men who drink less or none at all, according to new research from the US.
Senior author Alayne D. Markland, a professor at the University of Alabama at Birmingham, and colleagues, report their findings in a paper published online 2 January in The Journal of Urology.
In their background information they note while several studies have already established a link between caffeine intake and leaky bladder in women, the evidence for such a link in men is limited.
For their study, the researchers used national survey results from NHANES 2005-06 and 2007-08. This gave them data on over 5,000 American men aged 20 and over, with complete data available on nearly 4,000 of them.
The survey had collected information about food and drink intake which allowed the researchers to work out the men's caffeine consumption, water intake, and the total moisture content of their diet.
The survey data also included Incontinence Severity Index scores, for which a value of 3 and above is rated moderate to urinary incontinence (UI). Moderate to severe UI is more than a few drops of urine leakage in a month.
After adjusting for other potential influencers, the researchers found the men who consumed the most caffeine were more likely to have a leaky bladder than those who consumed the least or none at all.
Their analysis shows men who consumed 234 or more mg per day of caffeine were 72% more likely to have moderate to severe UI than men who consumed the least or none at all.
Men with a daily caffeine intake of 392 mg per day were more than twice as likely to have leaky bladder problems.
In contrast, men's total water intake was not linked to their risk for moderate to severe UI.
The researchers conclude:
"Caffeine consumption equivalent to approximately 2 cups of coffee per day (250mg) is significantly associated with moderate-severe UI in US men."
They call for further studies to look into this link.
Although the researchers did not establish whether coffee drinking causes men's leaky bladder problem, Markland told the press "It's something to consider ..."
People who are having problems with urinary incontinence should modify their caffeine intake and I think that's part of clinical practice," she says, in a statement reported by Reuter's Health.
|
|
|
| Back to top |
|
|
| Anome_ Faceless Man
Great Old One Joined: 23 May 2002 Total posts: 5380 Location: Left, and to the back. Age: 45 Gender: Male |
| Posted: 18-01-2013 09:28 Post subject: |
|
|
|
| So they're saying that drinking large quantities of a known diuretic and stimulant can make you incontinent... Who knew? |
|
| Back to top |
|
|
| Mythopoeika Boring petty conservative
Joined: 18 Sep 2001 Total posts: 9109 Location: Not far from Bedford Gender: Unknown |
| Posted: 18-01-2013 21:00 Post subject: |
|
|
|
| Anome_ wrote: | | So they're saying that drinking large quantities of a known diuretic and stimulant can make you incontinent... Who knew? |
 |
|
| Back to top |
|
|
| ramonmercado Psycho Punk
Joined: 19 Aug 2003 Total posts: 17938 Location: Dublin Gender: Male |
| Posted: 18-01-2013 23:50 Post subject: |
|
|
|
| Anome_ wrote: | | So they're saying that drinking large quantities of a known diuretic and stimulant can make you incontinent... Who knew? |
Its not large amounts, only 2 cups! |
|
| Back to top |
|
|
| ramonmercado Psycho Punk
Joined: 19 Aug 2003 Total posts: 17938 Location: Dublin Gender: Male |
| Posted: 16-03-2013 14:17 Post subject: |
|
|
|
| Quote: | Green Tea Or Coffee May Reduce Stroke Risk
http://www.medicalnewstoday.com/articles/257760.php
15 Mar 2013
Drinking green tea or coffee on a regular basis is associated with a reduced risk of stroke, says new research published in Stroke: Journal of the American Heart Association.
Researchers conducted a study on a total of 83,269 Japanese adults aged 45 to 74 years, they monitored their green tea and coffee consumption for an average of 13 years to see whether it had any effect on cardiovascular health.
The results of the study indicated that there's a link between high consumption of green tea and coffee and a lower stroke risk.
According to the lead author, Yoshihiro Kokubo, M.D., Ph.D., F.A.H.A., F.A.C.C., F.E.S.C., lead author of the study at Japan's National Cerebral and Cardiovascular Center:
"This is the first large-scale study to examine the combined effects of both green tea and coffee on stroke risks. You may make a small but positive lifestyle change to help lower the risk of stroke by adding daily green tea to your diet."
The researchers analyzed the participants' medical records during the 13 years of follow up, they looked for information about whether they experienced strokes or other health complications. Their findings were adjusted for factors such as age, sex, diet, smoking status, and weight.
Regular green tea and coffee drinkers may have a lower risk of stroke
They found that:
Those who drank green tea regularly - at least four cups measuring six ounces per day - were about 20 to 30 percent less likely to experience a certain type of stroke compared to those who didn't.
Daily coffee drinkers were at a 20 percent lower risk of stroke compared to those who rarely drank it.
It should be noted that in general the green tea drinkers did more exercise than the other participants.
Previous research indicates that green tea can lower one's risk of heart disease. A study conducted by researchers at UCLA similarly found that the more green tea you drink, the better your odds of staving off a stroke.
The initial results of the study found that those who drank more than two cups of coffee a day were at a higher risk of developing coronary heart disease (CHD), however, after factoring in cigarette smoking they no longer found an association between coffee consumption and CHD.
In fact, according to a study published in Stroke: Journal of the American Heart Association, women who drink more than one cup of coffee per day appear to have a 22 to 25% lower risk of stroke than those who don't.
Kokubo added:
"However, our self-reported data may be reasonably accurate, because nationwide annual health screenings produced similar results, and our validation study showed relatively high validity. The regular action of drinking tea, coffee, largely benefits cardiovascular health because it partly keeps blood clots from forming."
Possibly catechins and chlorogenic acid reduce stroke risk
The researchers are not completely certain what property is in green tea that lowers stroke risk, although they believe it could be a compound group called catechins which have antioxidant and anti-inflammatory effects.
There's a chemical in coffee called chlorogenic acid which reduces a persons risk of developing type 2 diabetes, this could be why coffee drinkers are at a reduced risk of stroke.
As coffee and green tea are the two most popular drinks in the world after water, the finding is very relevant to the U.S. and western Europe as well.
Written by Joseph Nordqvist
References:
"The Impact of Green Tea and Coffee Consumption on the Reduced Risk of Stroke Incidence in Japanese Population"
Yoshihiro Kokubo, MD, PhD, FAHA, Hiroyasu Iso, MD, PhD, Isao Saito, MD, PhD, Kazumasa Yamagishi, MD, PhD, Hiroshi Yatsuya, MD, PhD, Junko Ishihara, PhD, Manami Inoue, MD, PhD and Shoichiro Tsugane, MD, PhD
Stroke: Journal of the American Heart Association
|
|
|
| Back to top |
|
|
| Zilch5 Vogon Poet
Great Old One Joined: 08 Nov 2007 Total posts: 1528 Location: Western Sydney, Australia Gender: Male |
| Posted: 18-03-2013 22:25 Post subject: |
|
|
|
| Quote: | The world's strongest coffee
A New York man is marketing the world's strongest coffee - under the brand name of Death Wish Coffee.
Double the strength of an espresso, Death Wish Coffee even comes with a disclaimer warning drinkers to expect 'many sleepless nights'.
Mike Brown, the man behind the blend, used to work in a small coffee shop in New York, but got fed up with customers asking for stronger coffee.
"I always had customers coming in asking for our strongest and boldest roast," he said.
"I had to go through the process every day of explaining to them that dark roasts were actually the least caffeinated.
"This began my journey for finding and roasting the Death Wish bean and after many trial and error processes I found it.
"The type of blend, bean and roasting process we use makes Death Wish Coffee the strongest in the world.
"Its actual process is a secret because we have created something revolutionary and we do not want it stolen."
The extra-strong coffee is available to buy on Amazon and can be bought in packs of either ground coffee or whole beans. |
http://web.orange.co.uk/article/quirkies/The_worlds_strongest_coffee |
|
| Back to top |
|
|
| ramonmercado Psycho Punk
Joined: 19 Aug 2003 Total posts: 17938 Location: Dublin Gender: Male |
| Posted: 28-07-2013 16:42 Post subject: |
|
|
|
| Quote: | Drinking coffee linked to lower suicide risk in adults
28 Jul 2013
Drinking coffee is linked to lower suicide rates, suggests a study published in The World Journal of Biological Psychiatry.
Researchers from the Harvard School of Public Health (HSPH) reviewed data from three large US studies. This consisted of 43,599 men involved in the Health Professionals Follow-up study (HPFS), 73,820 women in the Nurses' Health Study (NHS) and 91,005 women in the NHS II.
The researchers analyzed data regarding consumption of caffeine, coffee and decaffeinated coffee every 4 years through food-frequency questionnaires, while the deaths from suicide were analyzed by physician review of death certificates.
The amount of caffeine consumption was assessed from both coffee and non-coffee sources, including chocolate, tea and caffeinated soft drinks. But the researchers add that coffee was the main source, accounting for a minimum of 71% in all three studies.
Over the study period, 277 deaths were a result of suicide.
Results revealed that the risk of suicide for adults who drank between 2-4 cups of coffee each day was 50% lower when compared with adults who drank decaffeinated coffee, very little or no coffee.
The researchers reported that there were no major differences in the risk of suicide between those who consumed 2-3 cups of coffee per day and those who drank 4 or more cups per day, but they note that this may be due to a smaller number of suicides in these categories.
Coffee cup and coffee beans
Researchers on this study say that the risk of suicide was 50% lower in adults who drank 2-4 cups of coffee each day. However, a previous study suggested heightened depression in adults who drank 4 or more cups of coffee per day.
However, the study notes that a previous study from HSPH analyzing how coffee was related to depression revealed that researchers saw a heightened depression effect in those who drank 4 or more cups per day.
The researchers report that as well as stimulating the central nervous system, caffeine acts as a mild anti-depressant by boosting the production of particular neurotransmitters in the brain. These include noradrenaline, dopamine, and serotonin. They add that this could explain the results of studies in the past that have linked the consumption of coffee to a lower risk of depression.
Regardless of the study's results, the authors say this does not mean the consumption of coffee should be increased.
The recommended coffee intake for the average healthy adult is around 2-4 cups per day. Experts advise that too much caffeine can have unpleasant side effects, such as insomnia, nervousness, restlessness, muscle tremors and a fast heartbeat.
Written by Honor Whiteman
Copyright: Medical News Today
References:
"Coffee, caffeine, and risk of completed suicide: Results from three prospective cohorts of American adults," published online in The World Journal of Biological Psychiatry, July 2, 2013.
Citations:
Please use one of the following formats to cite this article in your essay, paper or report:
MLA
Honor Whiteman. "Drinking coffee linked to lower suicide risk in adults." Medical News Today. MediLexicon, Intl., 28 Jul. 2013. Web.
28 Jul. 2013. <http://www.medicalnewstoday.com/articles/263962.php>
APA
Honor Whiteman. (2013, July 2 . "Drinking coffee linked to lower suicide risk in adults." Medical News Today. Retrieved from
http://www.medicalnewstoday.com/articles/263962.php. |
|
|
| Back to top |
|
|
| ramonmercado Psycho Punk
Joined: 19 Aug 2003 Total posts: 17938 Location: Dublin Gender: Male |
| Posted: 28-08-2013 00:33 Post subject: |
|
|
|
| Quote: | High coffee intake may help against prostate cancer
27 Aug 2013
Consuming four or more cups of coffee a day could reduce the risk of prostate cancer recurrence and disease progression, according to a study published in the journal Cancer Causes and Control.
Researchers from the Fred Hutchinson Cancer Research Center in Seattle analyzed 1,001 prostate cancer survivors from a population-based study, aged between 35 and 74 years of age. All survivors had been diagnosed with the disease between 2002 and 2005.
The participants were asked to complete a food frequency questionnaire two years before their prostate cancer diagnosis, and were required to give information regarding their diet and beverage consumption.
The participants were also interviewed about their:
Demographic and lifestyle information
Family history of cancer
Medication use
Prostate cancer screening history.
The researchers ran a follow-up analysis five years after the participants' first diagnosis to find out whether the prostate cancer had recurred and/or progressed. Of the original 1,001 participants, 630 then answered questions about their coffee intake and were included in the final results.
Cups of coffee
Researchers found coffee had an effect against recurrence or progression of prostate cancer.
Less recurrence or progression of prostate cancer
The analysis showed that of these participants, 61% consumed at least one cup of coffee a day, while 12% drank four or more cups of coffee a day.
The men who drank four or more cups of coffee a day had 59% less risk of prostate cancer recurrence and/or progression than those whose coffee consumption was just one cup a week or less.
Additionally, the researchers analyzed the link between coffee consumption and prostate cancer-specific death in 894 patients included in the original food frequency questionnaire.
Results showed that 125 men had died after the median follow-up period of 8.5 years. Of these, 38 had died specifically from prostate cancer, but daily coffee consumption was not associated with these deaths.
There was no link found between coffee consumption and reduced mortality from prostate cancer, the researchers add, although they note this study did not include enough men who died from the disease to address that as a separate issue.
Milan Geybels, a previous student at the Fred Hutchinson Cancer Research Center and lead author of the study, says the results of this study differ from those of other studies looking at the same link, as the researchers used a "composite definition" of prostate cancer recurrence/progression. He adds:
"We used detailed information on follow-up prostate-specific antigen levels, use of secondary treatment for prostate cancer and data from scans and biopsies to assess occurrence of metastases and cause-specific mortality during follow up.
Using these detailed data, we could determine whether a patient had evidence of prostate cancer recurrence or progression."
The study authors add that further research is needed to determine exactly how coffee may have effects against prostate cancer. But they say biological activities linked to consumption of phytochemical compounds found in coffee can have "anti-inflammatory and antioxidant effects."
The researchers say that these naturally occurring compounds include:
Caffeine, "which can inhibit cell growth and encourage apoptosis"
Diterpenes cafestol and kahweol, "which can inhibit cancer growth"
Chlorogenic acid, "which can inhibit DNA methylation".
'Don't start drinking lots of coffee - it may be harmful'
The study authors warn that although these results indicate a positive link between higher coffee consumption and reducing the recurrence and progression of prostate cancer, the preventive effect needs to be demonstrated within clinical trials before coffee can be recommended for secondary prevention.
Milan Geybels says:
"Although coffee is a commonly consumed beverage, we have to point out that increasing one's coffee intake may be harmful for some men. For instance, men with hypertension may be vulnerable to the adverse effects of caffeine in coffee.
Or, specific components in coffee may raise serum cholesterol levels, posing a possible threat to coronary health. Patients who have questions or concerns about their coffee intake should discuss them with their general practitioner.
This research is the latest in a variety of studies that claim health benefits, and also risks, of coffee consumption.
US researchers found that drinking four or more cups of coffee a day was linked to risk of early death.
However, a July 2013 study from the Harvard School of Public Health found that suicide risk in adults was lower among those who drank 2 to 4 cups of coffee a day.
Written by Honor Whiteman
Copyright: Medical News Today
References:
Coffee and tea consumption in relation to prostate cancer prognosis Milan S. Geybels, Marian L. Neuhouser, Jonathan L. Wright, Marni Stott-Miller and Janet L. Stanford, Cancer Causes & Control, August 2013.
Citations:
Please use one of the following formats to cite this article in your essay, paper or report:
MLA
Honor Whiteman. "High coffee intake may help against prostate cancer." Medical News Today. MediLexicon, Intl., 27 Aug. 2013. Web.
27 Aug. 2013. <http://www.medicalnewstoday.com/articles/265272.php> |
|
|
| Back to top |
|
|
| JamesWhitehead Piffle Prospector Joined: 02 Aug 2001 Total posts: 5779 Location: Manchester, UK Gender: Male |
| Posted: 28-08-2013 00:51 Post subject: |
|
|
|
"One lump or two in your Java, Sir?"
"Get the tube deeper, Nurse: those are just my piles!"  |
|
| Back to top |
|
|
|
|
You cannot post new topics in this forum
You cannot reply to topics in this forum
You cannot edit your posts in this forum
You cannot delete your posts in this forum
You cannot vote in polls in this forum
|
Powered by phpBB © 2001, 2005 phpBB Group
|
FAQ
Search
Memberlist
Usergroups
Profile
Log in to check your private messages
