Risks of Melanotan: TGA to issue fresh warning against 'Barbie drug' The Australian Obesity due to MC4R deficiency is associated with reduced cholesterol, triglycerides and cardiovascular disease risk Nature Medicine Tanning, fake tan and Melanotan Cancer Research UK Nasal tanners left me suffocating in hospital' Nasal tanning sprays linked to skin cancer, trading standards officers warn Consumer affairs The Guardian I was minutes from death after taking 'Barbie drug' everyone needs to be warned