We are seeing a 50 percent reduction in the risk of colon cancer when we compare the top 20 percent of the population of women who in mid-life are exercising at the equivalent of an hour of walking a day,

We can clearly conclude that adult overweight and obesity cause cancer, ... and increasing rates of obesity in the US are continuing to drive up the burden of these cancers.

The overweight have a significantly higher risk of diabetes, gallstones, hypertension, and heart disease, ... All have costs and an impact on the quality of life that get ignored if we focus only on mortality.

For nearly 20 years, we have documented the huge impact that diabetes has on the health care system, from kidney failure to dialysis and so on,

Still, it makes sense that something in the air might increase the risk of lung cancer because our lungs are just big filters.

If we take pre-menopausal and post-menopausal breast cancer then there was a 40 percent increased risk.