By IHRSA

We know from research that obesity can spread through social networks like an infectious disease.

In fact, one model suggests that the rate of transmission has been steadily increasing and may result in an obesity rate that stabilizes at 42% of the population. Of course, research predicting a 42% obesity rate is troubling and alarming, but it also begs a very hopeful question for policymakers: can we start an epidemic of infectious healthy living?…