Euphoric

A substance that produces an exaggerated sense of well-being [Mosby2008].

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  Nervous System

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  Kava (Piper methysticum)

[Mosby2008] Mosby's Dental Dictionary, 2nd edition. © 2008 Elsevier. Retrieved June 4 2016 from http://medical-dictionary.thefreedictionary.com/euphoric.