How preventive medical treatment has become a risk factor.

First, do no harm! 

It's a pledge that medicine does not live up to. 

Much of what medical science offers, be it a drug, a treatment or some advice about supplements or diets, will probably not work for you and possibly do you some harm. 

If I was the only one telling you this, you could be forgiven for just waving me off. 

But if a Stanford professor of medicine, health research and statistics tell you "Why most published research findings are false" you may want to listen …