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Relaxin, a polypeptide similar to insulin, is secreted by the ovaries in females and in the seminal tubules of males. Samuel Yue, M.D., finds that relaxin treatment decreases fatigue and muscle tension and spasm, restores sleep quality, improves cognition, increases growth hormone secretion, improves cardiac function, stabilizes the autonomic nervous system, and regulates sex hormones.
(Source: Chronic Fatigue Syndrome, Fibromyalgia, and Other Invisible Illnesses – The Comprehensive Guide, by Katrina Berne, Ph.D. Published by Hunter House books and available at www.hunterhouse.com.)