From the Harvard School of Public Health: Boston, MA— A study by researchers at the Harvard School of Public Health and Brigham and Women’s Hospital has found that participants who regularly drank coffee significantly reduced the risk of onset of type 2 diabetes, compared to non-coffee drinking participants. The findings appear in the January 6, 2004 issue of the Annals of Internal Medicine. More than 125,000 study participants who were free of diabetes, cancer, and cardiovascular disease at the start of the study were selected from the on-going Health Professionals Follow-up Study and the Brigham and Women’s Hospital-based Nurses Health Study. Some 41,934 men were tracked from 1986 to 1998 and 84,276 women from1980 to 1998 via food frequency questionnaires every two to four years to assess their intake of both regular and decaffeinated coffee. Press release here... Too bad I can't stand coffee :/
I knew they would find something good for coffee! Now I'm waiting for the study that shows that it prevents cancer, alzheimers, and Lou Gehrigs disease. Then I'll have no worries. Of course there is that high blood pressure thing.....
Personally, I find it very unlikely. As long as your readers aren't expecting actual evidence to overcome the 'correlation != causation' hurdle, 'studies' can pretty much prove whatever you want them to. I say this from the point of view of someone who... a) Has always drunk far too much tea and coffee and b) Now has type 2 diabetes
They didn't say every person who drank coffee regularly avoided type 2 diabetes. It just lowers the risk, not eliminates it.
Hate to be a moaner, but it does look like you did mate, really. Besides, a study is a study - if it shows something in the real world, then chances are it's a reality. It's not like they tested 100 men and women, they tested it on thousands of people across the states.