As we continue to debate health care in America, as more people come into the system, the single most significant effort is now to figure out ways to reduce cost. Perhaps the best place to start, is with the one epidemic that accounts for no less than 10% of all health care costs. That epidemic is obesity.

It is our number one public health issue.  Its causes go to the limits of self control and human nature, but most of all to the reality and excess of our current food environment.

Dr. Deborah Cohen, in her book A Big Fat Crisis: The Hidden Forces Behind the Obesity Epidemic — and How We Can End It, argues that public policy, targeted at the food industry, is more important than any kind of personal responsibility.

My conversation with Deborah Cohen: