Revitalizing Your Brain Power VII
Psychopharmacology, the science of drugs which affect psychological functions, offers other interesting materials. The amino acid tryptophan is a safe, nonaddictive sleeping aid which works because it is made into serotonin in the brain. Serotonin is the neurotransmitter which initiates sleep. Tryptophan is found in milk and bananas and can often be purchased in pill […]