It’s a very common complaint – It’s freezing in here! Do you find that you’re always cold? Dr. Oz explains why your thyroid plays an important role in temperature regulation.

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.