Essential tremor (ET) is a neurological disorder that causes your hands, head, trunk, voice or legs to shake rhythmically. It is often confused with Parkinson’s disease. Essential tremor is the most common trembling disorder. Everyone has at least a small degree of tremor, but the movements usually cannot be seen or felt because the tremor is …
https://www.hopkinsmedicine.org/health/conditions-and-diseases/essential-tremor-disorder

