> [Essential and intention tremors (non-Parkinson's tremors)] Several of my close male relatives developed tremors in middle age, and I was getting shakier in my thirties, but when I started supplementing [[thyroid]], the tremor disappeared and hasn’t returned. Nutritional deficiencies and toxins affect different parts of the brain differently, but glucose metabolism is protective everywhere. [Source](https://lowtoxinforum.com/threads/ray-peat-email-advice-depository.1035/post-227686)