BDNF Val66Met polymorphism is associated with higher anticipatory cortisol stress response, anxiety, and alcohol consumption in healthy adults.
Psychoneuroendocrinology. 2011 Nov;36(10):1562-9. doi: 10.1016/j.psyneuen.2011.04.010. Epub 2011 May 18.
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PMID: 21596481
Clinical Trial.