Fat-boosting gene mystery 'solved'
from BBC News
The mystery of a genetic flaw which greatly increases the risk of obesity in one in six people has been solved by an international group of scientists. A version of an obesity gene, called FTO, had been linked to a bigger belly, but the reason why was uncertain. A study, published in The Journal of Clinical Investigation, showed it made fatty foods more tempting and altered levels of the hunger hormone, ghrelin.
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