Addiction is a strong mental and physical dependence on, most commonly, a drug or other substance. Some substances that can lead to addiction are alcohol, illegal drugs, some prescription medicines, inhalants (such as spray paint), and nicotine.
A person who has an addiction, depending on how severe the illness is, may have two or more of the following symptoms:
The tendency to have addiction problems can be passed from parents to their children (inherited). This tendency often is accompanied by mental health problems, such as depression.
Current as of: May 1, 2017
Adam Husney, MD - Family Medicine
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