It was developed and will be promoted as a way of preventing skin cancer but the side-effects of Melanotan include an artificial tan, increased libido and weight loss.
In a week that's seen the deaths of Bob Monkhouse, Alan Bates and Dinsdale Landen, all victims of cancer, here is a story of one man's successful - if unorthodox - struggle against the disease. By Tony Jackson.
A rare bone cancer has struck six teenagers in the Cornish town of Helston. Three have died and families fear other cases will follow. But what causes such cancer clusters, asks Linda Jackson.