<unk>  is one of the most common neurological diseases, with a prevalence around 4% in persons age 40 and older and considerably higher among persons in their 60s, 70s, 80s, with an estimated 20% of individuals in their 90s and over. Aside from enhanced physiological tremor, it is the most common type of tremor and one of the most commonly observed movement disorders.
Essential tremor
Dystonia
Holmes tremor
Intention tremor
Myoclonic dystonia
Multiple sclerosis
Focal dystonia
Parkinson's disease