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1993-04-08
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THE WEEK, Page 27HEALTH & SCIENCEEt Cetera
LIKE BROTHER, LIKE SISTER
Conventional medical wisdom holds that men are driven to
alcoholism primarily by their genes, women by their social
environment. Not so, according to a report in the Journal of the
American Medical Association by a team led by researchers at the
Medical College of Virginia. Interviewing 1,030 sets of female
twins, they found that when one sister was alcoholic, odds that
the other would have a drinking problem were greater among
identical vs. fraternal siblings. Heredity accounts for 50% to
60% of a woman's vulnerability to alcoholism, about the same as
for men.