Three to four cups of coffee per day slash disease risk

Kristen Gonzales
November 25, 2017

They also found evidence it reduces the chance of certain cancers, diabetes, liver disease and dementia. We also found that it was associated with a lower risk of getting some types of cancer, Parkinson's disease, depression and Alzheimer's disease.

The study said: "Coffee consumption was more often associated with benefit than harm for a range of health outcomes across exposures including high versus low, any versus none, and one extra cup a day".

The NHS recommends pregnant women have no more than 200mg of caffeine a day - two mugs of instant coffee - because too much can increase the risk of miscarriage.

A team led by Dr Robin Poole, specialist registrar in public health at the University of Southampton, with collaboration from the University of Edinburgh, carried out an umbrella review of 201 studies.

The studies used mainly observational data, providing lower quality evidence, so no firm conclusions could be drawn about cause and effect, but the findings do back up other recent reviews and studies of coffee intake.

Its warning also showed links between high caffeine intake in pregnancy and having a baby that is underweight.

"Is coffee good for you?"

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Coffee is one of the world's most commonly consumed drinks, with an estimated 2.25billion cups drank around the world each day. The latest study builds on that research but calls for more randomised controlled trials to further understand the correlation.

Coffee drinkers also appeared to have lower risks for heart disease. The best outcome was witnessed for liver conditions like cirrhosis of the liver. Drinking coffee beyond these amounts was not associated with harm, but the benefits were less pronounced.

Until recently people were warned against drinking more than a few cups of coffee a day, for fear that it might cause cancer.

"Factors such as age, whether people smoked or not and how much exercise they took could all have had an effect", Professor Paul Roderick, co-author of the study, told BBC.

But, this news might not be strong enough to start a coffee habit.

All in all, however, the benefits seem to outweigh the risks. But they insist the findings prove moderate coffee consumption is safe, and more than likely to be good for you.

Other reports by TheSundaySentinel

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