Addiction is the habitual psychological or physiologic dependence on a substance or practice that is beyond voluntary control. It is also a catch-all term for a complex behavioral disorder. The most obvious symptom is that the individual reaches a point where they cannot control their compulsive actions. Even when they can see the potential harm, they continue their uncontrollable behavior.
For this reason, addiction was first described as a failure of will power. We now know this is incorrect. Addiction is a real disease with psychological, genetic, and psychosocial aspects. Contrary to pouplar belief, it is not a character flaw or a failure of morality. There are actual changes that occur in the brains of addicts. Treatment of addiction should address the biology behind the behavior.
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