AP - Scientists may have figured out one reason some people reach for the french fries instead of an apple. It could be a gene that's been linked to an increased risk of obesity. A study of children found those with a common variation of the gene tend to overeat high-calorie foods. They ate 100 extra calories per meal, which over the long term can put on weight, said Colin Palmer, who led the study at the University of Dundee in Scotland.More...