Tired and Losing Hair? Check Your Ferritin

Tired, losing hair, and told your labs are “normal”? Endocrinologist Dr. Cassie Smith explains the new 2026 American Society of Hematology ferritin thresholds, why your thyroid needs iron, the pregnancy thyroid rule every woman on thyroid medication should know, the gut signs you may be ignoring, and her honest take on GLP-1 drugs. With Dr. Chris Motley. 00:00 Dr. Cassie Smith is back 01:08 Graves' disease in med school, at 130 beats a minute 02:38 "Normal" labs, and the fertility questions you sent in 03:33 Why fertility starts in the gut, and PCOS gets a new name 04:30 What birth control does to your gut bacteria 06:21 Thyroid, nutrients, and early miscarriage 07:07 Why your TSH drops when you get pregnant 08:13 On thyroid medicine? The nine-dose rule 09:07 Which probiotic? The Akkermansia gap 10:58 After a miscarriage: the labs to ask for 13:02 Thinning hair and the new ferritin guidelines 14:58 A tongue and pulse read, and a ferritin result 17:24 Gut warning signs: bloating, reflux, gas 18:38 Acne, rashes, and swollen joints 19:57 Depression and anxiety after a baby 20:39 Can you inherit a bad gut? 21:56 Glutamine, butyrate, and the scab rule 24:42 Fiber, and the free fixes nobody can sell you 26:34 Gluten, Roundup, and your thyroid 28:53 GLP-1s: an endocrinologist's honest take 30:42 Insulin as traffic cop 32:27 Why kids stop eating when they're full 33:15 Using GLP-1s right: protein, water, weights, then stop 34:32 Where to find Dr. Smith 35:11 An endocrinologist who wants to learn acupuncture 37:50 Teeth, meridians, and infertility 39:38 Closing thoughts 41:28 Disclaimer Sources are included in the show notes. Educational only - not medical advice. Want more of The Ancient Health Podcast? Subscribe to the YouTube channel. Follow Doctor Motley! Instagram: https://www.instagram.com/doctormotley TikTok: https://www.tiktok.com/@doctormotley Facebook: https://www.facebook.com/doctormotley/ Website: https://doctormotley.com Follow Dr. Cassie Smith: https://www.instagram.com/modernendocrine_/ Buy her book Fix Your Gut, Fix Your Hormones: https://a.co/d/0gbCrVD6 *Join Doctor  Motley’s newsletter for TCM insights and regular podcast updates https://www.doctormotley.com/ *Do you have a ton more in-depth questions for Doctor Motley? Check out his course on emotions and the body in his membership. You’ll find other courses full of his expertise and clinical wisdom, plus bring all your questions to his weekly lives! To try risk-free for 15 days click here https://www.doctormotley.com/15 Learn more about your ad choices. Visit megaphone.fm/adchoices