<prompt> tafadhali geuza maudhui haya ya swahili kwenda kwa kiingereza.watu wengi hupata seleniamu ya kutosha kwa njia ya chakula chao peke yake, lakini watu wenye hali fulani ikiwa ni pamoja na ugonjwa wa crohn na vvu aid ni hatari zaidi upungufu selenium.  <response>: many people get enough selenium through their diet alone, but people with certain conditions including crohns disease and hivaids are more at risk for selenium deficiency. 