Alcoholism-1 - Alcoholism Who is susceptible and why?...

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Alcoholism Who is susceptible and why?
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Bio/Psycho/Social Model 1) Individual who responds to alcohol in a certain way. Positive reward. 2) Personality characteristics that encourage use. Impulsiveness. 3) Member of social group where A) pressure to drink. College Fraternity. B) confusion over drinking ground rules. Drink with meals or drink to get drunk?
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Physiological factors Biological susceptibility Genetic evidence Family history Children of alcoholics (COA) If father alcoholic, 25% sons affected 5-10% of daughters
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Genetic evidence Twin studies MZ 100% genes DZ 50% genes Reared together Alcoholism in 55% MZ twins 28% DZ twins
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Adoption studies Original studies done in Denmark and Sweden. Child adopted out. Father alcoholic: 18% sons affected. Father non-alcoholic: 5% sons affected. Daughters less affected.
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Males particularly susceptible Male limited. TYPE II alcoholism. More severe, early onset.
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Alcoholism-1 - Alcoholism Who is susceptible and why?...

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