Best PSA ever...

So I just saw a Public Service Announcement put on tv by major league baseball charities. It's in a locker room, a close up on a basketball, football, baseball, and volleyball. One by one, the narrator says a negative effect of steroids (stops bone growth, kidney problems, etc.). After each side effect, a ball deflates and shinks to about 1/10 it's original size. Then when all four balls have shriveled up to nothing, the narrator says, "And guys, it can do something else to your body too."

Let me know if you don't get it; I will enlighten you.