View the Show Notes For This Episode Get Free Weekly Health Tips from Dr. Hyman Sign Up for Dr. Hyman’s Weekly Longevity Journal Get Ad-free Episodes & Dr. Hyman+ Audio Exclusives Do you feel fatigued, lethargic, and sluggish, especially when you wake up in the morning? Do you have poor-quality, cracked nails? Are you cold all the time? Do you have dry skin, coarse hair, or hair loss? Are you depressed? Are you constipated? Do you have muscle and joint pains?  If you answered yes to any of the above, you may be one of the 38 million Americans with low thyroid function.  In today’s episode of a new series I’m calling Know Your Numbers, I dive deep into thyroid dysfunction. I discuss why millions of people suffer with undetected thyroid issues, how conventional medicine misses the mark in measuring thyroid levels, how Functional Medicine treats hypothyroidism and hyperthyroidism, and much more. You can test your magnesium levels with Function Health, a company I co-founded. It has been a lifelong dream for me. Function is the first-ever membership that includes 100+ lab tests and personalized insights from globally renowned doctors based on your results. Join Function at FunctionHealth.com. This episode is brought to you by Mitopure and AG1. Support essential mitochondrial health and save 10% on Mitopure. Visit TimelineNutrition.com/Drhyman and use the code DRHYMAN10. Get your daily serving of vitamins, minerals, adaptogens, and more with AG1. Head to DrinkAG1.com/Hyman and get 10 FREE travel packs plus a FREE Welcome Kit with your first order. Here are more details from the episode (audio version / Apple Subscriber version): Symptoms and prevalence of hypothyroidism (4:29 / 2:29) Autoimmune thyroid disorders: Hashimoto’s thyroiditis and hyperthyroidism (7:37 /  5:37) What does a healthy, hypo- and hyper- thyroid gland do? (8:55 / 6:55) Risk factors for thyroid problems (15:58 / 13:58) Gluten and other drivers of thyroid problems (17:40 / 15:40) How conventional medicine misses the mark with thyroid testing and treatment (22:15 / 20:15) The Functional Medicine approach to thyroid testing and treatment (25:21 / 23:21)  Addressing poor thyroid function using diet, lifestyle, and supplements diet (28:59 / 26:59) Learn more about your ad choices. Visit megaphone.fm/adchoices