Chemotherapy drugs are used to kill cancer cells, but unfortunately even normal, healthy cells can be affected. Learn more about how chemotherapy works and its potential side effects.

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

Want to know how to look marvelous without splurging so much? Dr. Oz invites three beauty experts to share the smartest ways to save money while looking fabulous starting from your hair and makeup tools to the beauty products you use.