ID 101975462 © Arturszczybylo | Megapixl.com
Sharing is not just caring, it's also about giving credit - add this image to your page and give credit to the talented photographer who captured it.:
abuse adaptive addict addiction addictive amphetamine anhedonia behavior board closeup cocaine communication compulsive concept dependence drug drugs dysphoria emotionalmotivational fatigue gene hand heroin illegal marijuana marker message narcotic opium outof overdose physical physicalsomatic physiological reinforcing reverse rewarding sensitization state stimuli substance symptoms text tolerance transcription use white withdrawal word write