Not all heart blockages lead to heart attacks. Learn why stents are overused and not always inserted for the right reasons. The 4 questions you need to ask your doctor.

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Click here to watch Part 2.

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.