Eat slower and chew more to lose weight, Japanese study suggests

This may be due to the fact that the satiety signal takes some time to travel from the stomach to the brain, and may arrive only after the fast eater has already consumed more than enough.

But he said that relying on the participants themselves to score whether they eat slowly or fast was “considerably subjective” and may skew the data.

Katarina Kos, an obesity researcher from Exeter Medical School, said similar research has to be conducted in nondiabetic people to rule out a potential role for diabetes medication in weight loss or gain.