%0 Journal Article %T Close association between A118G single nucleotide polymorphism and opioid, alcohol, and nicotine dependence %A Kapoor S %J Psychology Research and Behavior Management %D 2012 %I Dove Medical Press %X Shailendra KapoorRichmond, VA, USAI read with great interest the article by Cosci et al in a recent issue of your journal.1 The article provides for highly interesting reading and is very thought-provoking. Interestingly, the past few years have seen the emergence of extensive data that establish a close association between the A118G single nucleotide polymorphism of the OPRM1 gene and opioid, alcohol, and nicotine dependence.View original paper by Cosci and colleagues. %U http://www.dovepress.com/close-association-between-a118g-single-nucleotide-polymorphism-and-opi-a9875