1. Baseball players and "performance enhancing" drugs. Many players were named as steroid users in the Mitchell Commission report issued in 2007.
2. Lady Gaga and "circle" contact lenses. Lady Gaga displayed this look in her "Bad Romance" music video. But these drugstore circle lenses, which give the appearance of enlarged eyes, can cause a host of eye problems.
3. Kardashian sisters and QuickTrim. Reality show stars Kim and Khloe Kardashian, are paid to endorse QuickTrim diet products, which contain potentially harmful herbal diuretics and laxatives.
4. Heidi Montag and plastic surgery. The star of the reality show, The Hills, increased her fame quotient by undergoing 10 cosmetic procedures in one day.