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Essential tremor is a condition that causes involuntary shaking. While it usually develops in middle age, it can start much earlier. Shari Finsilver was aware of her hands shaking as a child. When I was about 11 years old, I noticed in art class that I was never able to draw a straight line, she says.
What Causes Shaky Hands? Many people associate shaky hands with Parkinsonâs disease, but the most common cause of shaking hands is actually essential tremor. Essential tremor is the most common neurologic disorder affecting adults, but itâs not well understood. Itâs likely caused by a disruption in normal brain function of the cerebellum, though researchers are not entirely sure what causes the interruption, if it is a degenerative process, or how it can be stopped. People with essential tremor often experience frequent shaking. The shaking is most common in the hands, arms, head, and vocal cords, and cannot be controlled. This shaking is most obvious when you try to use a muscle. When the muscle is relaxed, the shaking will likely not occur or it will become milder.