Serotonin also called 5-hydroxytryptamine is the molecule (neurotransmitter) in the brain that enhances serenity and hopefulness. It is found mainly in the midbrain and hypothalamus. It is formed from the amino acid tryptophan, which is an essential amino acid as it is got only through diets. Low tryptophan is associated to serotonin deficiency. Serotonin is associated with sleep and relaxation. Low levels of it in the brain results in depression.
Aside from newly generated drugs known as Selective Serotonin Reuptake Inhibitors (SSRI) that trigger the release of this substance, the presence of high levels of sugar in the brain triggers the release of tryptophan, which, in turn, elicits its release too.
Meditation trigger serotonin release which may cause sleep and enhance relaxation.
Exposure to sunlight (light therapy) also raises serotonin levels in the body.
Regular exercise also enhances serotonin release in the brain.
Some foods like eggs, avocados, pineapples and so many others boost serotonin levels in the brain.
Normal ranges of serotonin in the blood is 101 - 283 nanograms per millimeter (ng/ ML).
Festus C. Anaba, B Med.
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