<prompt> Translate the following text to EnglishNadharia moja husema kwamba wasichana wachanga weupe tofauti na wasichana wachanga weusi hujiunga na ibada ya upungufu, na kuvuta sigareti ili kuzuia hamu yao ya kula.  <response>: One theory holds that young white girls unlike young black girls subscribe to a cult of thinness, and smoke to block their appetite. 