It's similar to having a family history for a disease. You can't alter your family history or your baldness, but there are many ways to modify your risk factors,

The effect of cigarettes on the risk of disease is so powerful and it's so difficult to control for factors like the intensity and duration of smoking that the only way to eliminate the bias is to look at people who have never smoked,

It's not that being underweight causes disease, but that these chronic diseases can cause weight loss, ... It's called reverse causation.

The evidence is now compelling and irrefutable,

I think it's not very common to be truly physically fit and obese, though it is theoretically possible,

It would be really unfortunate if we became more complacent about obesity in blacks than in whites,