LOS ANGELES — Unilateral deep-brain stimulation (DBS) reduces essential tremor and may help some patients avoid risk for greater side effects associated with bilateral DBS, a comparison study reveals.

All participants reported at least one symptom (ranging from 1 to 12 symptoms). The mean number of symptoms was seven (SD = 2.7), with 12 participants (14%) reporting four or fewer symptoms and 16 (19 ...

Tremors are involuntary muscle contractions that cause body parts to tremble. Hand tremors are common and are often due to stress or tiredness. They may also indicate several health conditions. For ...