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Even the heaviest coffee drinkers are less likely to die prematurely than people who do not drink coffee, according to a new study.
This is another good news for coffee lovers. It does not matter what type of coffee people drink, including decaffeinated coffee and instant coffee. And no matter what version of the "coffee" gene. Coffee drinkers were better than those who did not drink coffee.
The National Cancer Institute team used data from people participating in a large genetic study in Britain called the British Biobank. More than half a million people have volunteered to donate blood and answer detailed questions about health and lifestyle for ongoing research on genes and health
. several genes involved in the metabolism of caffeine
Then they examined the mortality rates over 10 years of the study.
People who drank coffee, no matter how much or what kind they drank, were less likely to die People who said that they drank more than eight cups a day were less likely to die, on average, as non-drinkers, she reported in the journal JAMA Internal Medicine of the American Medical Association
. , reports the team, led by Erikka Lotfield of NCI.
The volunteers were mostly British and had different coffee habits than the rest of the world. On the one hand, they were more likely to drink instant coffee.
And some of their habits and characteristics could make those British coffee drinkers more unhealthy at first. On the other hand, British Biobank volunteers are not representative of the British public and could, in fact, be healthier than the average because volunteers for medical studies are often
"The drinkers Participants who drank at least four cups a day, compared to those who drank less coffee and non-drinkers, were more likely to drink instant coffee and drink instant coffee. participants drinking one to three cups a day were older, more likely to have a university degree and more likely to report an "excellent" health. "
Over the 10 years of follow-up, more than 14,000 people Coffee drinkers were more likely to be dead than coffee drinkers.
"The health effects of excessive coffee consumption are a concern. particularly participants with common genetic polymorphisms (differences) that affect the metabolism of caffeine. For example, previous studies have suggested that variants of CYP1A2, (a gene) encoding the enzyme responsible for more than 95 percent of caffeine metabolism, may alter associations of drinking coffee with cardiovascular outcomes , with a slowdown caffeine metabolizers having a higher risk of hypertension (high blood pressure) or myocardial infarction (heart attack) compared to their nonalcoholic counterparts, while the fast caffeine metabolizers who drink coffee are not at risk. "[19659002] However, their analysis showed no additional risk for a genetic variant.
There are several possible explanations
It is the # 1 source in the American antioxidant regime – chemical compounds that fight the damage to DNA caused by everyday life.
It could reduce inflammation in the body, improve the way insulin There is evidence that coffee can help people to heal colon cancer, reduce the risk of diabetes and reduce the inflammation associated with diabetes and heart disease.
It can also protect against diabetes, Parkinson's disease and liver cancer. [19659002] While caffeine in large quantities can kill, it takes huge amounts of coffee to deliver a lethal dose – more than 20 cups at a time.The research team plans to break down data from the biobank pa r type of coffee preparation – pressed coffee, compared to filtered coffee, for example, to see if it affects health. Some studies have suggested that unfiltered coffee, made in percolators or French presses, could increase unhealthy cholesterol levels.
And the researchers say that there is no added benefit to drinking more coffee than usual. The reduction in mortality rates did not improve as people drank more cups of coffee a day.
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