http://t2.gstatic.com/images?q=tbn:ANd9GcTc JsTcUJ8m1s4zRzOojkhj9 _7VjQepE9snUZAekkm5VorFHkK065E5Sl8k Essential tremor is a neurological syndrome, which results in involuntary shaking, usually noticed most in the hands. This type of tremor is the most common, with a prevalence of about 0.9%, and occurs more frequently past the…