<prompt> Answer this question truthfullyCan you explain the relationship between Mastitis and Epidemiology and Demographics?  <response>: <reason> Worldwide, the prevalence of mastitis ranges from a low of 1,000 per 100,000 persons to a high of 10,000 per 100,000 persons. The incidence of puerperal mastitis ranges from a low of 2,900 per 100,000 persons to a high of 9,500 per 100,000 persons. . Mastitis commonly affects breastfeeding mothers between the ages of 21 to 35 years. Women are more commonly affected with mastitis than men. There is no racial predilection to mastitis. 