 A modern example of this phenomenon the priestly monarchs of the Yoruba holy city of Ile-Ife in Nigeria, whose reigning Onis have performed ritual ceremonies for centuries for the sustenance of the entire planet and its people.In recent years, studies have suggested that American clergy in certain Protestant, Evangelical and Jewish traditions are more at risk than the general population of obesity, hypertension and depression.Their life expectancies have fallen in recent years and in the last decade their use of antidepressants has risen.