David Eberhard meets controversial professor and researcher Fredrik Nyström. You can't exercise yourself thin, but you can probably swim yourself thin, if the water is cold enough. The best way to burn calories is to freeze and burn your own brown fat. You can eat meat and fat without worrying, but you should skip the carbohydrates. Fredrik Nyström is a researcher on obesity and diabetes and a doctor in internal medicine who challenges all established truths.

Party healthy with Bingo Rimér
Bingo Rimér, no longer a girl photographer, talks about everything from couples therapy to the quality of her sperm. Loneliness is more dangerous than...