A tendency for getting their lips around a Whopper has turned Japanese schoolgirls into Nippon's naughtiest nymphomaniacs, according to Shukan Gendai (6/29). Kazuo Sakai, head of the Stress Hibiya Clinic in Tokyo, says fast food is to blame for the promiscuous behavior of today's schoolgirls. "Sex addiction, which involves having sex with numerous different partners over a short period, is related to bulimia. Fast food so popular among young people is absorbed unnaturally quickly by the body, making it easy for bulimia to develop," Sakai tells Shukan Gendai. "Bulimia makes it harder to control the central nervous system and a...