Surprising: What really determines our body weight - more than just exercise and diet. US researchers have now looked into this phenomenon - with astonishing results.

The assumption that obesity is caused by a chronic “too many calories” is, in his opinion, too short-sighted. If you eat fewer calories than you burn every day, you don't necessarily have to lose weight. According to experts, up to five kilos of weight loss per week should be possible - with intermittent fasting.