Effects of protein and carbohydrate meals on mood and performance: interactions with sex and age
Home of Kyle J. Norton for The Better of Living & Living Health Serotonin or 5-hydroxytryptamine (5-HT) is a monoamine neurotransmitter derived from tryptophan, primarily found in the gastrointestinal (GI) tract, platelets, and in the central nervous system (CNS). In Gut, serotonin regulates intestinal movements, in CNS, it regulates mood, appetite, sleep, memory and learning, etc.
Effects of protein and carbohydrate meals on mood and performance: interactions with sex and age
In the study to investigate the normal adult subjects (n = 184) consumed a high-protein or high-carbohydrate meal and were tested two hours later their mood and performance, found that females, but not males, reported greater sleepiness after a carbohydrate as opposed to a protein meal. Male subjects, but not females, reported greater calmness after a carbohydrate as opposed to a protein meal. When meals were eaten for breakfast (but not for lunch) individuals 40 yr of age or older felt more tense and less calm after a protein than after a carbohydrate meal. Although older subjects reported subjective discomfort after a morning protein meal, they displayed objective performance impairments after a carbohydrate lunch. Subjects 40 yr of age or older were impaired on a test of sustained selective attention (dichotic shadowing) after consuming a high-carbohydrate lunch(5).
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(5) http://www.ncbi.nlm.nih.gov/pubmed/6764932
http://medicaladvisorjournals.blogspot.com
2012-12-06 19:20:53
Source: http://medicaladvisorjournals.blogspot.com/2012/12/effects-of-protein-and-carbohydrate.html
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