Dr. Oz sheds some light on vaginismus, a condition that causes muscle spasms -- down there. Certain infections, including STDs, and menopause could be at fault. Learn more and find out what you should do to ease this tension.

Animation produced by Visible Productions, Inc.

Special thanks to Amy Stein, MPT, BCIA-PMDB Beyond Basics Physical Therapy, LLC for contributions to this segment.

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.