Obese people's appetites hard-wired: study

Obese people may have brains that are hard-wired to find food irresistible, a study has found.

Food craving is associated with different kinds of brain connectivity in those who are obese and of normal weight, the research shows.

Scientists offered buffet-style snacks to 39 obese and 42 normal weight individuals, who then had their brains scanned while being shown photographs of the food they had just