[DanBC]

> But losing weight without reducing metabolism and thereby making yourself more likely to gain weight in the future, is not.

No, it is. Getting people to do it and stick to it is unsolved.

Lifestyle change, to reduce calories and restructure meals to include correct balance of proteins, carbohydrates and fats, and to raise awareness of when food is eaten and how many calories are being eaten, is tricky. But if people do it it works.