Melatonin (N-acetyl-5-methoxy-tryptamine) is an indoleamine synthesized and secreted by the pineal gland and other organs, such as the retina, bone marrow, and intestines in a circadian pattern. Extrapineal sites contribute poorly, or only upon specific stimuli to circulating melatonin. Melatonin
Oral malodor (Halitosis, Fetor ex ora) is a common and disturbing condition, affecting according to some studies about one quarter of the population. This condition may start at any time from early childhood through adolescence, adulthood and old age and vary in character and severity.The bacteria