TOKYO, JAPAN - MARCH 29: A woman displays B2UP, Bust-up gum on March 29, 2005 in Tokyo, Japan. GOODONE CO. LTD, the maker of the B2UP products says that when Bust-Up gum is chewed three or four times a day, it bombards your system restoring the muscle tissue and even enhancing breast size. The company also claim that the B2UP products can help improve circulation, reduce stress and fight ageing. The gum releases compounds similar to the female estrogens hormones and are extract from a plant called Pueraria mirifica (Kwao Krua) which is a species found in Thailand and Burma. B2UP has been an instant hit with women in Japan.  (Photo by Junko Kimura/Getty Images)