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- THE WEEK, Page 33SOCIETYEt Cetera
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- BORN TO SMOKE
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- Why are some people easily hooked on cigarettes while others
- drop the habit after a few puffs? The answer, according to a
- study of 4,775 sets of twins, which was reported in the New
- England Journal of Medicine, may lie in our chromosomes.
- Identical twins (who share the same genes) were somewhat more
- likely than fraternal twins (who don't) to exhibit the same
- behavior -- whether it is chain smoking, rarely smoking or
- quitting altogether. The study's results bolster the idea that
- heredity plays a role in why people start, stop or continue
- smoking.
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