From Discovery Health?s XXXtreme Weight Loss, Kathryn was severely overweight until a friend encouraged her to walk a 7 mile leg of a marathon. The next year, Kathryn challenges herself to run the full 26 miles alone.
Registered Dietician, Alyse Levine, shows you how to measure the proper portion sizes for foods. She also offers suggestions for how to make sure that you control the amounts that you eat.