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Drink Coffee to Reduce Your Risk of Type 2 Diabetes

The verdict on coffee just keeps getting better and better. A study led by Dr Frank Hu and Dr Shilpa Bhupathiraju of the Department of Nutrition, Harvard School of Public Health, Harvard University, showed that increasing coffee consumption by a cup and a half a day over a four-year period reduces the risk of type 2 diabetes by 11 percent. 

The results, published by Diabetologia, showed that people involved in the study who decreased their coffee intake by 1 cup a day or more had a 17% higher risk for type 2 diabetes. And subjects who maintained the highest coffee consumption—three or more cups a day—had the lowest risk of type 2 diabetes. It was, in fact, 37 percent lower than those who consumed a cup or less per day.

Hu, Bhupathiraju and the other authors, used data from three studies: the Nurses' Health Study (NHS) (female nurses aged 30-55 years, 1986-2006), the NHS II (younger female nurses aged 25-42 years 1991-2007), and the Health Professionals Follow-up Study (HPFS) (male professionals 40-75 years, 1986-2006). For 20 years, these studies collected detailed information on the subjects every two to four years. The information included diet, lifestyle, medical conditions and more.

Nearly 100,000 people, divided evenly between men and women, were involved in the study including over 7,000 people with incident type 2 diabetes, meaning they either been diagnosed with type 2 diabetes or had glucose levels indicating type 2 diabetes. Type 2 diabetes is different from type 1 diabetes because those with type 2 can produce insulin, just not enough, or their bodies don’t process it appropriately.

In the past it was believed that caffeine consumption impaired glucose metabolism in people with type 2 diabetes. But those findings weren’t conclusive and the current research now seems to indicate the facts are just the opposite. Another piece of evidence that coffee is good for you!

So, another cup of coffee?


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