DASH diet

This week, Dr. Leonard Weiner explains a mysterious polio-like illness affecting children in California.

Plus, Cristina Pope weighed nearly 250 pounds when she decided to get serious about losing weight. Within a year she shed more than 100 pounds by carefully watching her nutrition intake and working out regularly. Now, almost two years later, she's kept the weight off.

We'll share her secrets to success, which include exercising in a variety of ways and eating plenty of vegetables.