Somebody needs to tell Sammy to stop the tomfoolery. No one's head balloons to that size and their body size changes that drastically "naturally".
http://www.espn.com/mlb/story/_/id/23935891/former-chicago-cubs-slugger-sammy-sosa-says-never-used-peds
http://www.espn.com/mlb/story/_/id/23935891/former-chicago-cubs-slugger-sammy-sosa-says-never-used-peds