Laughter may actually be the best medicine! Dr. Oz explains how tickling your funny bone can increase your oxygen intake and the endorphins your brain releases – and how positivity can have a profound impact on your long-term health.

Watch more 30 Days of Beauty tips. 

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.