Medics are on standby on the set of the Twilight movies, to help fans overcome by the sight of their idols.

The vampire franchise has whipped teenagers into a frenzy, particularly over hunky stars Robert Pattinson and Taylor Lautner.And Lautner admits some devotees can't control their emotions.He tells Interview magazine, We've met many different fans: the criers, who come around quite often; the hyperventilators, who stop breathing and have to have a medic come. We've definitely seen some passion.