Tracy Zivin-Tutela, MD, Attending Physician, St. Lukes-Roosevelt Hospital, explains how uncontrollable coughing fits or a cough that lasts for more than 3 weeks 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.