Obesity due to MC4R deficiency is associated with reduced cholesterol, triglycerides and cardiovascular disease risk Nature Medicine Unlicensed weight loss drugs marketed on social media as 'prizes' Weight loss drugs The Guardian FDA Fast Facts Risks of Melanotan: TGA to issue fresh warning against 'Barbie drug' The Australian Australians who use tanning products containing 'melanotan' are at risk of serious health problems. These products include nasal sprays and other injectable and ingestible tanning products, and are being illegally promoted and Dangerous 'Barbie drug' Melanotan II sparks crackdown on social media influencers ABC News