Two coffees a day could help you live longer, research suggests

Modesto Morganelli
Mag 15, 2019

People who drank between two and two and a half cups of coffee had a 4% lower risk of death from cancer.

Can't get through the day without a couple of cups of joe?

These findings held true regardless of the participants' ages, sex, smoking status, weight, or the amount of caffeine in the coffee they drank.

It also showed that moderate coffee consumption of two to four cups daily was associated with reduced mortality when compared to no coffee consumption at all.

The researchers identified increased risks of cardiovascular disease in line with coffee consumption and genetic variations.

The study was conducted to examine the association between coffee and mortality "in various subpopulations by characteristics of subjects", such as ageing, obesity and other lifestyle factors that impact mortality. The study authors noted that coffee was more likely to reduce risk of death among those from Europe and Asia than Americans.

"It is hard to calculate, but my feeling is that drinking coffee possibly adds another couple of years to your life", said Astrid Nehlig of France's National Institute of Health and Medical Research in Sunday Times, explaining that part of the reason could be improved focus that a cup of brew brings.

In the latest meta-analysis that was published in The European Journal of Epidemiology, similar findings emerged.

Researchers from the University of South Australia in their study published this month set out to ascertain the amount of coffee that was beneficial for health.

Coffee is packed with health benefits, from boosting energy levels and your metabolic rate to lowering your risk of depression and type 2 diabetes.

They investigated the association of long-term coffee consumption and cardiovascular disease, finding the point at which excess caffeine can cause high blood pressure, a precursor to heart disease.

Researchers found that people who drank two and a half cups of coffee daily had a 17% lower risk of death from cardiovascular disease. "In order to maintain a healthy heart and a healthy blood pressure, people must limit their coffees to fewer than six cups a day - based on our data six was the tipping point where caffeine started to negatively affect cardiovascular risk", she added.

The research team used UK Biobank data of 346,077 individuals aged 37 to 73 years. "As with many things, it's all about moderation; overindulge and your health will pay for it".

Prof Hyppönen says that despite carriers of the fast-processing gene variation being four times quicker at metabolising caffeine, the research does not support the belief that these people could safely consume more caffeine, more frequently, without detrimental health effects.

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