Caffeine Craving Linked to Genetics (LiveScience.com)

LiveScience.com - Whether or not you're a caffeine junkie is in part determined by your genes, a new study says.

Source: http://us.rd.yahoo.com/dailynews/rss/biotech/*http://news.yahoo.com/s/livescience/20110407/sc_livescience/caffeinecravinglinkedtogenetics

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