In addition to the countless physical benefits, exercise can have psychological benefits. Studies show that exercise can increase the amounts of the neurotransmitters dopamine and serotonin in your brain. The increased levels of neurotransmitters...
The amino acid 5-hydroxytryptophan, or 5-HTP, remains available despite safety concerns. That's because this precursor of melatonin and serotonin has medical uses including a supplemental role in treating mental retardation. Yet, scientists must...
Consuming fish oil may help improve symptoms of depression, though more study is needed to determine just how effective supplementing with it really is, according to MedlinePlus. The omega-3 fatty acids in fish oil are "brain food" that can help...
Serotonin is a chemical substance also known as 5-hydroxytryptamine that is derived from the amino acid tryptophan, notes Encyclopedia Britannica. It is a vasoconstrictor, which means it aids in the narrowing of blood vessels. It also functions as...
Carcinoids are classified as growths that fall in a category between benign and malignant, the Carcinoid Tumor Foundation states. Small carcinoids, which grow very slowly and most often begin in the small intestine, affect as many as one in 100...
Serotonin is a natural hormone found in the gut and central nervous system. It acts as a neurotransmitter, sending messages between cells that regulate mood, emotion, sleep and appetite. Low levels of serotonin play a part in depression and other...
People with depression often feel sad and unmotivated and lose interest in everyday activities. For these people, getting out of the house and interacting with people at the gym or on a jog can be the first step to leading a more positive...