It’s not just what you eat that makes you fat. It’s also what your spouse and friends and neighbors eat.

So says Dr. Dennis Gottfried, author of “Too Much Medicine,” who joined me on KTRS/St. Louis today to explain how overeating is contagious. He says the US should attack obesity the way we attacked smoking, changing our food habits by peer pressure, taxes, and encouragement from private business.

Our conversation coincides with a new report from the CDC saying that 2.4 million people became obese between 2007 and 2009, bringing the total to more than one in four Americans. The report also says that Missouri is one of the 9 fattest states, with an obesity rate of over 30%.

Listen, then click here to subscribe to these podcasts via iTunes!