Neutropenia is the medical term used when you have a low level of infection-fighting white blood cells called neutrophils. Learn about how chemotherapy treatment can put you at risk for developing neutropenia and how it may increase your risk for infection.

Animation developed by Visible Productions, Inc and sponsored by Amgen.

Dr. Oz goes where he's never gone before. He's letting you eat fast-food and it's not what you expect. Learn which fast food meals you can eat under 500 calories while still enjoying the food you love.