SO IF U R SKINNY, DON'T PAT YOURSELF ON THE BACK "Genes which prevent four million people gaining weight discovered, in new hope for slimming medicine....People who had certain variants of MC4R which disrupted this receptor tended to gain weight easily, the study found, while those who had a different combination caused the receptor to stay “switched on”, enjoying the opposite effect."

IF U R SKINNY, DONT PAT YOURSELF ON THE BACK    "Genes which prevent four million people gaining weight discovered, in new hope for slimming medicine....People who had certain variants of MC4R which disrupted this receptor tended to gain weight easily, the study found, while those who had a different combination caused the receptor to stay "switched on", enjoying the opposite effect."

https://www.telegraph.co.uk/science/2019/04/18/genes-prevent-four-million-people-gaining-weight-discovered/