Human autonomic nervous system is divided into two branches: the sympathetic nervous system & the parasympathetic nervous system.
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The brain stem is comprised of the midbrain, pons, & medulla. Their main functions are:
Neuroscience is a rapidly developing discipline and has generated multiple branches:
There are many types of diseases in the nervous system, which can be infection, inflammation, bleeding, tumor, developmental defect, etc.
As of 2016, about 22 million Americans need treatment for an addiction to alcohol, nicotine, or other drugs. In the US, the incidence rate of various addctions is different: