Is it possible to be healthy and obese?

The causes of the global obesity crisis are not fully understood, but stress may have a part to play, new research suggestsDoes stress make you fat, even if you don’t overeat? That is the question researchers from UCL have been trying to answer by giving volunteers of different shapes and sizes a haircut and measuring levels of the stress hormone cortisol in their hair. Long-term stress raises cortisol levels, and the researchers found that the larger volunteers had higher levels in t