He says conventional low-calorie diets cause only a temporary loss of weight.
"Who wants to go on some low-calorie diet when you can get the same benefit through exercise?"
It's already known that animals live longer if put on a very low-calorie diet.
They could also help develop better drugs, possibly including ones that provide the same benefits as low-calorie diets but without the pain.
They do little more than eat and sleep due to their low-calorie diets.
In the last few years the Door has discouraged very low-calorie (500 or 700 calories a day) diets.
And people on low-calorie diets are less likely to keep the weight off.
And don't forget to pair physical activity with a relatively low-calorie diet.
For some people, a very low-calorie diet may be considered, but generally it is not recommended.
A very low-calorie diet should only be conducted under close medical supervision.