Men are hiding potentially deadly disorder amid pressure to build the 'perfect' body

Days after Sylvester Stallone revealed his own history with bulimia, experts are highlighting a growing but often overlooked rise in eating disorders among men.

The Academy Award-nominated actor, 80, revealed during an interview with The New York Times that he developed an "obsession" with eating habits while prepping for his role in the 1982 movie "Rambo."

Stallone said he took pains to appear more "animalistic," drawing inspiration from jaguars and cats. "It became an obsession. Really bad.