Chapter 8 Notes.docx - Did You Know More than 27 million...

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Did You Know?
What are Behavioral Addictions?
What are Some Behavioral Addictions?
How the Body Responds to Drugs
Effects of Chronic Use
Psychological dependence: a mental attachment to a drug; the belief that the drug is needed to relieve stress, anxiety, or another mental discomfort. Physical Dependence: the regular use of a substance to function. o Physical withdrawal symptoms develop when a person stops using a drug. Tolerance: reduced sensitivity to a drug so that increased amounts are needed to achieve the usual effect. Toxicity: the dosage level at which a drug becomes poisonous to the body. Substance Use Disorder A pattern of substance use that ranges from mild to severe and that is characterized by 2-3 of the following within a one-year period: o Developing tolerance to the substance. o Using the substance in larger quantities or over a longer period than intended. o Becoming unable to cut down or control one’s use of the substance. o Spending an inordinate amount of time on activities aimed at obtaining the substance, using it, or recovering from its effects. o Sacrificing important social, occupational, or recreational activities due to the substance use. o Continuing to use the substance despite knowledge that the substance has either caused

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