Study released by consumer reports suggests organic foods reduce risk of cancer most likely due to absence of pesticide use;

An organic diet may lower cancer risk. Here’s why

A large study finds that people who eat mostly organic reduce their overall risk by 25 percent.

www.washingtonpost.com

I suspect its hard to really measure the impact lf organic foods on cancer but people are trying:

Organic Food May Not Be Any Healthier than Conventional - news.cancerconnect.com

Organic Food May Not Be Any Healthier than Conventional

news.cancerconnect.com