Andrew Huberman· PhD
Thyroid hormone has a lot of different roles in brain and body, and thyroid hormone is very important for everything from metabolism to levels of energy. When thyroid levels are disrupted or thyroid receptors are disrupted, it can lead to depression. When thyroid hormones are optimized, it can lead to optimal mood if there is such a thing. But in other words, it helps keep your mood elevated. It relates to everything from sleep to reproduction, thyroid hormones involved in many, many things including bone health and tissue health generally.