Repeated exposure to addictive drugs causes unmistakable changes to occur on both a neuronal and a behavioral level. Certain circuits in the brain of an addict are forced to change and adapt to an environment of drug-induced chemical imbalance....
Depression is characterized by a mood and behavior, that can affect the ability of
a person to perform daily activities and interact with others. Depression is an illness that
can be caused by biochemical and environmental changes. Chemical...
