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Coffee and Tea Fight Diabetis

published  First Published: 06/01/2010
Article written by: Health Editor: Carmen Goidia
Drinking four cups of coffee, decaf or tea daily can reduce the chances of getting Type 2 diabetes by about 25 percent to 35 percent, according to a study published today in the Archives of Internal Medicine. The researchers reviewed 18 studies of almost 500,000 people.
The analysis found that for each cup of coffee people drank, their likelihood of getting diabetes dropped by 7 percent. On Dec. 8, Harvard researchers reported that men who drank 6 or more cups of coffee a day had a 60 percent lower risk of developing the advanced form of prostate cancer than those who didnít consume any.
By 2025, about 380 million people worldwide will have Type 2 diabetes, generating ďenormous economic, health, and society costs,Ē said the report from researchers at the University of Sydney in Australia. Identifying the beneficial compounds in the beverages could open new ways to prevent diabetes.
If further research confirms this benefit, doctors may advise patients at risk for diabetes to ďincrease their consumption of tea and coffee in addition to increasing their levels of physical activity,Ē wrote the authors of the article, led by Rachel Huxley, an associate professor of medicine at the universityís George Institute for Public Health.
The study found drinking three or four cups of coffee daily lowered the risk of diabetes by about 25 percent, while consuming more than three or four cups of decaffeinated coffee lowered the risk by about one-third. Those drinking more than three to four cups of tea lowered their risk about one-fifth, the article said.
The prostate study followed 50,000 men over 20 years and was led by Kathryn Wilson at Harvardís Channing Laboratory. It found that the 5 percent of men who drank 6 or more cups a day had a 60 percent lower risk of developing advanced prostate cancer than those who didnít consume any. The risk was about 2 percent lower for the men who drank 1 to 3 cups a day, and 25 percent lower for those consuming 4 or 5 cups.
The study is the first to associate coffee with benefits against prostate cancer, contradicting previous research thatís found no link. The difference may be because Wilson and colleagues looked for the first time at the link between coffee and different stages of the disease, instead of grouping them all together. More research is needed to confirm the findings, she said.
Other Risks:
Diabetes prevents people from breaking down sugar in their blood and increases the risk of heart attack, kidney damage, and stroke, according to the National Institutes of Health, a U.S. agency. The majority of Type 2 cases are linked to obesity.
Finding the active component in these drinks could lead to a low-cost intervention, said Huxley.
Coffee lowers the risk of Type 2 diabetes by increasing the bodyís ability to use insulin to convert blood sugar to energy, previous research has shown. Other ingredients in coffee and tea that may have a stabilizing effect on blood sugar are chlorogenic acid and magnesium, Huxley said in the study.
Funding for the study came from Australiaís National Health and Medical Research Council and the Heart Foundation of Australia.



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