Judith Zelikoff, Ph.D, Research Scientist and Professor, Department of Environmental Medicine, NYU Langone Medical Center, explains how a persistant metallic taste in your mouth can affect your health.

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.