Define power and how to determine power

Power is the rate at which work is done or energy is transferred in a unit of time. Power may be measured in a unit called the horsepower.

Explanation:

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dopamine..

"it was found that some people who were taking the drug l-dopa to raise their levels of dopamine were developing schizophrenic-like symptoms supporting research a strength of the dopamine hypothesis is that there are many studies which have shown support for the neurochemical explanation."