“There’s no scientific evidence to prove that we’re biologically predisposed to weight gain in the colder months. Unless you’re a bear, that is.  We do know that in [hibernating] animals there will be seasonal changes in hunger hormones, but there really is nothing to suggest that that’s true in people.”

Dr. Yoni Freedhoff (medical director of the Bariatric Institute in Ottawa and winner of the 2011 Best Health Blog Awards for his blog.)