What is Parkinson's disease? Parkinson's is a disease that affects the nervous system and causes a variety of movement symptoms ... | Manual of Medicine

Have you heard of essential tremor? It’s a neurological condition that causes involuntary shaking - often in the hands. Lindsay from Colchester lives with essential tremor and says more awareness is needed. It’s actually more common than Parkinson’s disease. She runs a support group in Colchester for the National Tremor Foundation and wants more people affected to get involved and talk about it. | BBC Essex

Essential tremor presents with involuntary, rhythmic, oscillatory movements of a body part in motion. Patients with essential tremor are at increased risk of being diagnosed with Parkinson disease. Part 1 in a 2-part video series depicts an action tremor and how it is assessed. https://ja.ma/3Leu9IT | JAMA