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Substance abuse

Substance abuse refers to the overindulgence in and dependence on a stimulant, depressant, chemical substance, herb (plant) or fungus leading to effects that are detrimental to the individual's physical health or mental health, or the welfare of others.1

Note: This article excerpts material from the Wikipedia article "Substance abuse", which is released under the GNU Free Documentation License.

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last updated on 2014-11-26 at 4:52 am EST

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How 'Toxic' Is Sugar?

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