Chapter 14
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any chemical other than food intended to affect the structure or function of the body
drug
any habit that has gotten out of control, resulting in a negative impact on a person’s health:
addictive behaviour
General characteristics associated with addictive behaviors:
o Reinforcement o Compulsion or craving o Loss of control o Escalation o Negative consequences
• Common behaviors are potentially:
addictive
Examples of Addictive Behaviors
Compulsive or pathological gambling Compulsive buying or shopping • Internet addiction
substace ABUSE:
• Recurrent use of a substance, resulting in a failure to fulfill major responsibilities at work, school, or home • Recurrent use in situations in which it is physically hazardous (e.g. before driving) • Recurrent legal problems • Continued use despite persistent social or interpersonal problems • The pattern of use may be constant or intermittent, and physical dependence may or may not be present
a cluster of symptoms that occur in an individual who continues to use a substance despite suffering significant problems, leading to significant impairment or distress
Substance dependence
alcohol stats:
About 79% of Canadians over age 15 drink alcohol in some form
can impair functioning in the short term and cause devastating damage in the long term:
alcohol
related to the leading cause of death among people between ages 15 and 24 :
alcohol
the amount of alcohol in the blood in terms of weight per unit volume; used as a measure of intoxication:
Blood alcohol concentration (BAC)
The body can metabolize about:
one-half a drink in an hour
Women typically have a higher:
BAC
Low doses of alcohol:
induce relaxation and release inhibitions
High doses of alcohol have many dangerous physical and psychological effects -
impaired judgment, weakened sensory perception, reduced inhibitions, impaired motor coordination, increased aggressiveness and hostility
2002 - stats:
close to 1000 deaths in Canada directly related to alcohol consumption
how much % of all serious injury collisions involved alcohol?
18%
Effects of Chronic Use of Alcohol:
Reduced life expectancy ~ 15 years Cirrhosis Increased risk of heart attack and cancer Psychological problems: paranoia, memory gaps
a disease in which liver tissue is replaced with scar tissue and severely damaged
Cirrhosis
heavy drinking=
100 + drinks / month for men, 80 + for women
heavy drinking results in:
brain damage and impaired mental functioning
High doses of alcohol lead to:
• cardiovascular problems, including high blood pressure, arrhythmia, and weakening of the heart muscle. • alcohol is a known human carcinogen - oral cancer; esophageal, liver, stomach, and pancreas; and breast cancer. • links to asthma, gout, diabetes, recurrent infections, nutritional deficiencies, and nervous system diseases.
__% of Canadian women aged 15 and older reported drinking in 2012:
74%
__% of these women exceeded the long-term health risk guidelines
16%