U.S. Health Secretary Robert F. Kennedy Jr. has revealed his new food pyramid and beef is at the top. Cardiologist and epidemiologist Dr. Christopher Labos takes a closer look.

Dr. Chris Labos, cardiologist with a degree in epidemiology and a regular contributor on CJAD 800. You can hear him every Sunday on Weekends with Joanne Vrakas at 7:20 a.m.