Tracey reaches out to Lisa who is suffering from anorexia and Suzanne who struggles with bulimia. Lisa's husband Keith reaches out to Tracey as he's ready to take their kids and end their marriage if she doesn't agree to get treatment for her anorexia.

Details healthy eating habits, identifies the food groups, as well as describes how being healthy can help make you happy.

Health correspondent Betty Ann Bowser talks to author Dr. David Kessler about overeating and what is behind people's cravings, the subject of his new book The End of Overeating.

Nutritional disorders are diseases that are related to a person's state of nutritional health. They are a growing and deadly problem in the United States and around the world. But get this: they are preventable. This program covers the ins and outs of disorders and how to maintain a healthy lifestyle. Topics include: What Are Nutritional Disorders?, Exploring Nutritional Disorders, Exercise, Weight Management, and Weight Loss.

Researchers begina slow and cumbersome descent, deep into the Grootboom Cave, hindered by head-to-toe protective suits, but those suits are the only things standing between safety and exposure. Thousands of bats live inside this cave, and not far from the cave's entrance is the city of Johannesburg, South Africa, a heavily populated area. Any number of these bats could potentially be carrying a deadly pathogen. Known as zoonotic, these are diseases...