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May 20, 2008 - What leads one person to depend on alcohol and another to shop
compulsively?

Factors such as one's environment and one's genetic disposition can play a role, according to
Wende Wood. For example, if one's parents are smokers, then exposure to role models who
smoke can play a role in establishing this behavior as acceptable - and this lays the
groundwork for taking the first cigarette.

Not everyone who smokes becomes addicted - so there is a certain genetic disposition to the
amount of "reward" that gets delivered to the brain - but without that first exposure to the
substance, the reward pathway cannot be established and the habit does not develop.

Of course, not all children of smokers become smokers themselves; some may as a result of
their environment decide never to smoke.

Click on the red link above to continue the story.

Source: RedOrbit