Published: Вт, Июля 03, 2018
Medical | By Marta Holmes

Fresh grounds for coffee: Study shows it may boost longevity

Overall, those who drank one cup a day had an 8 percent lower risk of premature death. "The tastes may vary depending on how you drink the coffee; the chemical compounds that may be beneficial probably don't change as much, so regardless of how you drink coffee, you're probably going to get most of the benefits". The study looked at some common gene variations that help determine whether someone metabolizes caffeine quickly or slowly, but didn't find any difference in health risk.

In the paper, the authors write they observed an inverse association for coffee drinkers with all-cancer and all-cardiovascular disease deaths - people who drank between one and eight cups of coffee per day were less likely to have died from these conditions.

In a research study of almost 500,000 adults in Britain, those who consumed instant, ground and decaf coffee - even as much as 8 cups daily - had a slightly lower risk of death over 10 years than those who did not. More than half a million people volunteered to give blood and answer detailed health and lifestyle questions for ongoing research into genes and health.

As in previous studies, coffee drinkers were more likely than abstainers to drink alcohol and smoke, but the researchers took those factors into account, and coffee drinking seemed to cancel them out.

'These findings suggest the importance of non-caffeine constituents in the coffee-mortality association and provide further reassurance that coffee drinking can be a part of a healthy diet'.

"It's hard to believe that something we enjoy so much could be good for us". While the study represents an median view of coffee drinking habits, it is encouraging reading for lovers of the toasted bean. "It's the non-caffeine components that might be responsible for the association", she said.

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During the period of the study, over 14,000 participants died.

Other studies have suggested that substances in coffee may reduce inflammation and improve how the body uses insulin, which can reduce chances for developing diabetes.

As with all studies like this in which researchers observe a group of people over time, this study can't prove that coffee is the cause of the reduced risk of death.

The research didn't include whether participants drank coffee black or with cream and sugar.

"Participants drinking four or more cups per day, compared with those drinking less coffee and nondrinkers, were more likely to drink instant coffee and be current smokers, whereas participants drinking one to three cups per day were older, more likely to have a university degree, and more likely to report "excellent" health".

Drawing information from the UK's Biobank data resource, which holds information on around nine million people, researchers were also able to profile British java drinkers.

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