Does Drinking Coffee Help Increase the Risk of Developing Diabetes?

Several research studies show good news for many coffee drinkers. According to a study reported on in the American Journal of Clinical Nutrition in February 2012, coffee drinking is likely to help prevent the development of Type 2 diabetes without increasing the risk of heart and blood vessel disease.

Investigators at the German Institute of Human Nutrition looked at coffee drinking and the risk of:


  • Type 2 diabetes,
  • heart attacks,
  • strokes, and
  • cancer.


The study included 42,659 participants taking part in the European Prospective Investigation into Cancer and Nutrition (EPIC)-Germany study. Coffee drinking and diagnoses were followed for 8.9 years…


  • coffee drinking participants had only 77 per cent of the risk of developing Type 2 diabetes as non-coffee drinkers.
  • the risk of developing heart and blood vessel disease, strokes, or cancer was the same for coffee drinkers and non-coffee drinkers.


From these results, it was concluded drinking coffee could be associated with a lower risk of Type 2 diabetes than not drinking coffee.

A study reported in the International Journal of Environmental Research and Public Health in August 2011, showed similar results.

Researchers at the University of Brasilia in Brazil looked at 1,440 adults and compared their coffee intake with their prevalence of diabetes.


  • the participants who drank 100 to 400 ml of coffee per day had a 2.7 per cent lower risk of having Type 2 diabetes than those who drank less than 100 ml of coffee per day.
  • drinking more than 400 ml of coffee per day was not associated with any better risk of having diabetes than drinking less than 100 ml per day

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