Nearly 35% of teen males and 21% of teen females say they use protein powders and shakes to build their muscles, which has many worried about their health and future habits.

Nearly 35% of teen males and 21% of teen females say they use protein powders and shakes to build their muscles, which has many worried about their health and future habits. The cultural obsession with muscle enhancing products is inevitably an effect of the media and the body images presented for both genders. (ABC News)