Starcast
Join the waitlist
Tired and Losing Hair? Check Your Ferritin
Coming soon to iPhone. Already have it? “Listen in Starcast” takes you straight there.
On this episode
About this episode
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…