Calorie restriction: Scientists take important step toward 'fountain of youth'

Calorie restriction: Scientists take important step toward 'fountain of youth': "Going back for a second dessert after your holiday meal might not be the best strategy for living a long, cancer-free life say researchers from the University of Alabama at Birmingham. That's because they've shown exactly how restricted calorie diets -- specifically in the form of restricted glucose -- help human cells live longe"