Saturday, November 14, 2009

Clinical Nutrition 28(2009) 266-271

Mood and cortisol responses following trytophan-rich hydrolyzed protein and acute stress in healthy subjects with high and low cognitive reactivity to depression.
This article describes a study in the Netherlands of college aged group of 20 given a protein drink before undergoing a "...uncontrollable mental arithmetic task."(do I know that feeling) as a stressor. Cortisol levels were taken pre- and post-test. Findings were that trytophan rich foods enhance stress coping mechanisms by theoretically increasing trytophan synthesis to 5HT a precursor to serotonin a neurotransmitter in the brain. Research suggests further studies with clinical and sub-clinical populations might lead to alternatives to anxiolytic medicines through applications of clinical nutrition. This may be the future.

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