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Two or three cups of coffee a day is linked to a lower risk of heart and metabolic disease
People who consumed 200 to 300 milligrams of caffeine a day were less likely to develop coronary heart disease, Type 2 diabetes or stroke.
Moderate caffeine intake was associated with certain metabolites that are linked to better heart health.Stefania Pelfini / La Waziya Photography / Getty Images
By Kaitlin Sullivan
There are certain studies that coffee lovers, well, love.
This is one of them: Drinking several cups of caffeinated coffee or tea a day may protect against Type 2 diabetes, coronary heart disease and stroke.
The findings, published Tuesday in the Journal of Clinical Endocrinology & Metabolism, add to existing research suggesting that daily coffee drinkers have better heart health than nondrinkers — provided they don’t drink too much caffeine.
“Caffeine intake at different doses could have different health effects,” the study’s co-lead author Chaofu Ke, an associate professor in the department of epidemiology and biostatistics at Soochow University in China, wrote in an email.
Drinking coffee daily lowers risk of heart disease, new study finds
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Ke and a group of researchers in China and Sweden analyzed the coffee and tea drinking habits of 188,000 people ages 37 to 73 from the U.K. Biobank, a large database that contains anonymous health information, who had completed questionnaires about their beverage intake over the past 24 hours. They also looked at responses from about 172,000 people who specified that they drank caffeinated coffee or tea. None of them had a history of cardiometabolic disease — defined by a diagnosis of at least two of the three conditions: Type 2 diabetes, coronary heart disease or stroke — when the study began.
The researchers followed up with the participants after about 12 years.
Drinking two to three cups of coffee or up to three cups of tea a day was the sweet spot, the researchers found.
People who consumed about 200 to 300 milligrams of caffeine daily had a lower risk of cardiometabolic disease, compared to people who drank less than 100 mg a day. Coffee drinkers, in particular, had the lowest risk — a nearly 50% reduction — while people who got the 200 to 300 milligrams of caffeine from tea or a mix of both beverages were about 40% less likely to develop cardiometabolic disease. For tea drinkers, cardiometabolic risk decreased the most for those who drank up to three cups daily, but the benefits tapered off after that.
Even for people who consumed more than 400 mg of caffeine a day — just 4% of the study’s caffeine drinkers — the stimulant didn’t appear to have negative consequences for their cardiometabolic health.
And among those who did eventually develop cardiometabolic disease, drinking moderate amounts of coffee every day was still associated with lower risk of developing another cardiometabolic disease.
Moderate caffeine intake was also associated with certain metabolites — compounds produced when the body digests foods and drinks — that are linked to better heart health.
“Moderate caffeine intake may regulate levels of these metabolites,” Ke said.
Dr. Luke Laffin, co-director of the Center for Blood Pressure Disorders at Cleveland Clinic, said that the findings need to be taken in context.
“It can give us an idea, but we can’t draw any conclusions,” said Laffin, who wasn’t involved with the research. “Everything in moderation is probably the best way to do it. If someone is having a couple cups of coffee a day, this suggests that dose might be protective.”
However, some types of heart disease can make caffeine intake more dangerous, he said.
Coffee is linked to dementia too
& she use to drink mad coffee
This been known
