<prompt> Translate the following text to SwahiliAnd since allergies rarely shorten life spans or discourage mates, it is unlikely natural selection will ever weed them out.  <response>: Na kwa kuwa ugonjwa wa mzio hauwezi kupunguza muda wa kuishi au kuondoa tamaa ya kuwa na wenzi, ni vigumu kwa uteuzi wa asili kuondoa ugonjwa huo. 