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And, for women, coffee may mean a lower risk of stroke.
Heart Disease and StrokeCoffee may counter several risk factors for heart attack and stroke.
"It's the whole package," Hu says. He points to antioxidants nutrients that help prevent tissue damage caused by molecules called oxygen free radicals. "We know that coffee has a very strong antioxidant capacity," Hu says.
"The vast majority of those studies have shown a benefit of coffee on the prevention of diabetes. And now there is also evidence that decaffeinated coffee may have the same benefit as regular coffee," Hu tells WebMD.
Regular coffee, of course, also contains caffeine. Caffeine can raise blood pressure, as well as blood levels of the fight or flight chemical epinephrine (also called adrenaline), Lane says.
or occasional coffee drinkers.
So there isn't solid proof. But there are signs of potential health perks and a few cautions.
But (you knew there would be a "but," didn't you?) coffee isn't proven to prevent those conditions.
In 2009, a study of 83,700 nurses enrolled in the long term Nurses' Health Study showed a 20% lower risk of stroke in those who reported drinking two or more cups of coffee daily compared to women who drank less coffee or none at all. That pattern held regardless of whether the women had high Gucci Belt Bag Fake
have always been very consistent: higher consumption of coffee is associated with decreased risk of Parkinson's," Hu tells WebMD. That seems to be due to caffeine, though exactly how that works isn't Miu Miu Reading Glasses Uk clear, Hu notes.
In 2005, Hu's team reviewed nine studies on coffee and type 2 diabetes. Of more than 193,000 people, those who said they drank more than six or seven cups daily were 35% less likely to have type 2 diabetes than people who drank fewer than two cups daily. There was a smaller perk a 28% lower risk for people who drank 4 6 cups a day. or Europe).
Parkinson's and Alzheimer's Diseases"For Parkinson's disease, the data Gucci Handbag For Women
Coffee also contains minerals such as magnesium and chromium, which help the body use the hormone insulin, which controls blood sugar (glucose). In type 2 diabetes, the body loses its ability to use insulin and regulate blood sugar effectively.
Besides that, coffee has been linked to lower risks for heart rhythm disturbances (another heart attack and stroke risk factor) in men and women, and lower risk for strokes in women.
More from WebMDless likely to have type 2 diabetes, Parkinson's disease, and dementiahave fewer cases of certain cancers, heart rhythm problems, and strokes"There is certainly much more good news than bad news, in terms of coffee and health," says Frank Hu, MD, MPH, PhD, nutrition and epidemiology professor at the Harvard School of Public Health.
If you're like the average American, who downed 416 8 ounce cups of coffee in 2009 (by the World Resources Institute's estimates), you might want to know what all that java is doing for you, or to you.
Here is a condition by condition look at the research.
blood pressure, high cholesterol levels, and type 2 diabetes.
Research on Type 2 Diabetes
Coffee has also been linked to lower risk of dementia, including Alzheimer's disease. A 2009 study from Finland and Sweden showed that, out of 1,400 people followed for about 20 years, those who reported drinking 3 5 cups of coffee daily were 65% less likely to develop dementia and Alzheimer's disease, compared with nondrinkers Gucci Handbags Old Models
In a study of about 130,000 Kaiser Permanente health plan members, people who reported drinking 1 3 cups of coffee per day were 20% less likely to be hospitalized for abnormal heart rhythms (arrhythmias) than nondrinkers, regardless of other risk factors.
Researchers don't ask people to drink or skip coffee for the sake of science. Instead, they ask them about their coffee habits. Those studies can't show cause and effect. It's possible that coffee drinkers have other advantages, such as better diets, more exercise, or protective genes.
How might coffee keep diabetes at bay?
Hold the Caffeine?The fact that coffee contains good stuff does not necessarily mean that it's good for us, says James D.
Type 2 DiabetesHu calls the data on coffee and type 2 diabetes "pretty solid," based on more than 15 published studies.
"It has not really been shown that coffee drinking leads to an increase in antioxidants in the body," Lane tells WebMD. "We know that there are antioxidants in large quantities in coffee itself, especially when it's freshly brewed, but we don't know whether those antioxidants appear in the bloodstream and in the body when the person drinks it. Those studies have not been done."
It's probably not the caffeine, though. Based on studies of decaf coffee, "I think we can safely say that the benefits are not likely to be due to caffeine," Hu says.
More recently, Australian researchers looked at 18 studies of nearly 458,000 people. They found a 7% drop in the odds of having type 2 diabetes for every additional cup of coffee drunk daily. There were similar risk reductions for decaf coffee drinkers and tea drinkers. But the researchers cautioned that data from some of the smaller studies they reviewed may be less reliable. So it's possible that they overestimated the strength of the link between heavy coffee drinking and diabetes.
First, there's the potential effect on type 2 diabetes risk. Type 2 diabetes makes heart disease and stroke more likely.
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