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Heart attack: The amount of coffee you can drink a day and still prevent deadly condition

Heart health can still be maintained and heart attacks prevented if you drink coffee – and up to 25 cups a day – according to scientists. A new study of more than 8,000 people across the UK found drinking five cups a day, and even up to 25, was no worse for the arteries than drinking less than a cup a day. The research, part-funded by the British Heart Foundation (BHF), is being presented at the British Cardiovascular Society Conference in Manchester. Experts from Queen Mary University of London divided 8,412 people into three groups for the study.

Drinking five cups a day, and even up to 25, is no worse for the arteries than drinking less than a cup a day

The first group was of those who drink less than one cup of coffee a day, the second was of those who drink between one and three cups a day, and the third was those who drink more than three.

Some people drank up to 25 cups a day in the latter group, although the average number for people in this group was five cups a day.

Researchers found that even those drinking up to 25 cups of coffee a day were no more likely to have stiffening of arteries than those who drank less than one cup a day.

Previous studies have suggested that coffee stiffens arteries, putting pressure on the heart and increasing the likelihood of a heart attack or stroke.

All the participants in the latest study underwent MRI heart scans and infrared pulse wave tests, and the results held true even after factors such as age, weight and smoking status were taken into account.

Dr Kenneth Fung, from Queen Mary University of London, said: “Despite the huge popularity of coffee worldwide, different reports could put people off from enjoying it.

“Whilst we can’t prove a causal link in this study, our research indicates coffee isn’t as bad for the arteries as previous studies would suggest.

“Although our study included individuals who drink up to 25 cups a day, the average intake amongst the highest coffee consumption group was five cups a day.

“We would like to study these people more closely in our future work so that we can help to advise safe limits.”

Professor Metin Avkiran, associate medical director at the BHF, said the study “rules out one of the potential detrimental effects of coffee on our arteries”.

A second study presented at the same conference found that people admitted to several NHS hospitals with a cardiac arrest over the weekend did not face a higher risk of dying compared to those admitted during the week.

The study, led by experts at Aston University, included 4,803 people going to hospital with a cardiac arrest and assessed their five-year survival.

There are a number of other ways you can keep your heart health, as advised by the NHS.

These include:

  • Giving up smoking
  • Getting active – doing 150 minutes of moderate-intensity aerobic activity every week
  • Managing your weight
  • Eating more fibre – aim for at least 30g a day
  • Cutting down on saturated fat
  • Getting your five fruit and vegetables a day
  • Cutting down on salt
  • Eating fish
  • Drinking less alcohol
  • Reading the food label to see how many calories and how much, fat, salt and sugar the product contains

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