The effects of 5-HT are varied and widely distributed throughout the human body. At this time, 5-HT research is a field ripe for "plucking." Not only is there a great demand for more selective agonists and antagonists, but there is more than enough work needed in receptor binding studies to keep pharmacologists employed for years to come. The clinical benefits of 5-HT receptor pharmacology are just starting to be developed and explored. Novel treatments for hypertension, migraine headaches, anxiety, and depression using 5-HT are just the beginning. It will be exciting to see what the future holds for 5-HT clinically.
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Peter L. Bonate (1991) studied this question.