To keep people from getting into trouble with alcohol, it would help to know why they're at risk.
Genes make some people more susceptible to dependence or addiction, while the surroundings exert a stronger pull on others. But it's been devilishly hard for researchers to sort those out. Context β who's drinking where and when with whom β matters a lot.
Add in money and it gets even trickier. And we're not talking about whether you can afford microbrews.
[For more of this story, written by Nancy Shute, go to http://www.npr.org/blogs/healt...in-drinking-problems]
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