Obesity due to MC4R deficiency is associated with reduced cholesterol, triglycerides and cardiovascular disease risk Nature Medicine 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 Nasal tanning sprays linked to skin cancer, trading standards officers warn Consumer affairs The Guardian Nasal tanners left me suffocating in hospital'