Obesity.

Watched a sky interview were a woman explained being overweight is in our DNA, and they can't help being fat. She also made another dozen excuses and went for a meat pie. She should be ashamed quoting it's in my genes, it's not my fault, there have been scientific studies, blah blah blah.

I conducted a study, and the more you eat the bigger you get. The only fat people around a hundred years ago were farmers and the rich, how does she explain that?