What really goes on inside your body when you kiss? Learn how a simple smooch can lower stress, burn calories and lower blood pressure. Plus, tips from an expert kissing coach. 

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.