C. Noel Bairey Merz MD, FACC is fighting for answers about heart disease and women. In this exclusive interview, she explains the most effective diagnostic tests currently available. Know what to ask your doctor to make sure you’re getting the best possible treatment.

Click here to watch Part 1: The warning signs that could save your life. 

Click here to watch Part 3: Does your doctor have you on the right treatment plan? Learn the pills every woman should know about!

Click here to watch Part 4: Learn the newest developements and research to save women's lives. 

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.