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Substance AbuseCollege of Humanities and Social Sciences, Grand Canyon UniversityPCN 104: Foundations of Addiction and Substance Use Disorders1
Substance AbuseSubstance abuse is a harmful pattern of overuse of any substance that can causemood-altering purposes causing problems in your everyday life. This can be illegal and or legalsubstances that an individual may become completely addicted too. Some individuals may bemore prone to these addictive behaviors due to their environmental and biological risk factors(NIDA, 2020). The substances can cause cravings, mood swings, withdraws and physicaltolerance to the substance. The effects of nicotine, alcohol and heroine can be long-term resultingin several areas of the body and mind to be altered and affected.One of the most addictive substances is heroin and it effects the most pleasurable areas ofthe brain. Heroine releases the neurotransmitter dopamine after binding to mu-opioidreceptors which is one of the most important neurotransmitters that affects ones thought andemotions. After binding to the receptor’s individuals get a huge rush of “happiness” of warmth,they then can start to itch, get very sleepy and mentally cloudy. Heroin is part of the opioidfamily and comes from poppy plants. The individuals consume the substance by smoking,

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