Coffee May Have Surprising Ageing Benefits For Women, Study Finds

Good news for coffee lovers: not only does coffee not dehydrate you, but it could also improve your heart health. And an as-yet unpublished, all-women study has found that it’s been linked to ageing well, too.The research, presented at the annual meeting of the American Society for Nutrition this year, tracked the health of 47,000 female nurses over 30 years via the decades-long Nurses’ Health Study.Women were asked about their dietary and drinking habits (ie. whether they drank tea, coffee, and/or fizzy caffeinated beverages) every few years. By 2016, scientists looked at which of the study participants met their standard of “healthy ageing”.Speaking to The New York Times in response to the research, professor of nutritional epidemiology at Tufts University, Dr Fang Fang Zhang (not involved with the study), said: “The data is quite consistent that coffee consumption is actually beneficial.” What did they find?The researchers defined “healthy ageing” as reaching 70 years old without having developed 11 common diseases (including multiple sclerosis, cancer, type 2 diabetes, heart disease, kidney failure, and Parkinson’s disease). Other components of “healthy ageing” as defined by the study authors involved maintaining physical function, having good mental health, and keeping their cognitive ability and memory. By the end of the study, 3,706 women were classed as meeting those requirements – and those women typically consumed an average of 315mg of caffeine per day aged 45-60, mostly through coffee.After adjusting for lifestyle factors like smoking and not exercising, the researchers found that women who drank the most amount of coffee had a 13% higher chance of ageing well than those who drank the least.Additionally, each added cup of coffee women drank was associated with a 2-5% chance of better ageing up until the upper limit of 2.5 cups of coffee.Tea and decaffeinated coffee were not linked to the same benefits.Does that mean drinking loads of coffee will definitely lead to better ageing?Not necessarily. This research only found a link, and not a cause. Additionally, the study’s lead author, Dr Mahdavi, couched the advice with warnings to drink “moderate” amounts of coffee and to combine it with other healthy lifestyle habits, like exercising and eating well. “While this study adds to prior evidence suggesting coffee intake may be linked with healthy ageing, the benefits from coffee are relatively modest compared to the impact of overall healthy lifestyle habits and warrant further investigation,” she shared.Still, she told News Medical Life Sciences: “Moderate coffee intake may offer some protective benefits [for ageing-related illnesses] when combined with other healthy behaviours.” NHS Fife warns that too much caffeine (more than 600mg per day, which is about six cups of coffee) can cause anxiety, sleeplessness, agitation, palpitations, diarrhoea and restlessness.Related...I Asked Coffee Experts How To Make Café-Level Cuppas At Home (Without Fancy Tools)Coffee May Reduce Dementia Risk, But Only If You Drink This TypeI'm A Surgeon – Here's What It Means If Coffee Makes You Sleepy

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