Parentdish.com reports:
"American teens are sinking their teeth into each other's necks, literally. Inspired by the "Twilight" series and heartthrob vampire Edward Cullen's chilly charms, teens are taking their love nips a little too far, MSNBC reports, biting each other -- hard -- and then licking the blood.Bizarre teen behavior has horrified parents for generations, but health officials a…