Your thyroid affects your health in dozens of ways, from appetite and weight gain to sleep habits and energy levels -- even your sex drive. It's worth taking the time to find out whether you're one of the 25 million Americans with thyroid issues, and our guest today is the perfect person to help. Dr. Alan Christianson is a New York Times best-selling author whose books include The Adrenal Reset Diet and Healing Hashimoto's: A Savvy Patient's Guide, and he'll explain the warning signs of thyroid disease, what tests you should ask your doctor about, and natural ways you can protect and heal your entire adrenal system.