4 doctors weighed in:
My mom keeps shaking or nodding her head constantly, however, this only happens  while she watches tv, what could cause this reactions?  
4 doctors weighed in

Dr. K. Olson
Psychiatry
3 doctors agree
In brief: Head tremor
Essential tremor is worsened by emotion, exercise, and fatigue.
Also by attempting to keep the limb steady. The tremor can disappear when the head is supported. It may disappear with walking. It may stay isolated to the head for decades - without involving the arms.

In brief: Head tremor
Essential tremor is worsened by emotion, exercise, and fatigue.
Also by attempting to keep the limb steady. The tremor can disappear when the head is supported. It may disappear with walking. It may stay isolated to the head for decades - without involving the arms.
Dr. K. Olson
Dr. K. Olson
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