Irish journal of medical science
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The aim of this study is to examine the effects of Ramadan fasting on melatonin, cortisol, and serotonin levels. ⋯ It has been determined that Ramadan fasting increases the serotonin level of individuals but does not change the levels of melatonin and cortisol. It was determined that the level of happiness of individuals increased after Ramadan fasting. Longitudinal studies on the effects of Ramadan fasting are recommended.