Hannah Tittensor and her boyfriend Ben Dunlop have been injecting themselves with an illegal tanning drug called Melanotan for three years. On top of that, they use sunbeds regularly and slather themselves Frontiers The melanocortin receptors as targets for general obesity: contextualizing clinical failures and analyzing future perspectives Age related ciliopathy: Obesogenic shortening of melanocortin 4 receptor bearing neuronal primary cilia ScienceDirect Insights into Tanning Biology and Tanning Products JCAD The Journal of Clinical and Aesthetic Dermatology Unlicensed weight loss drugs marketed on social media as 'prizes' Weight loss drugs The Guardian