http://www.youtube.com/watch?v=LnJJQlj1IvY
2007

Bremelanotide didn't start out as a drug to rehabilitate a woman's libido... PT-141 (Bremelanotide) was being developed as a tanning enhancer (Melanotan II), until researchers noticed interesting side effects in the young college men involved in the Phase 1 clinical trials...spontaneous erections!