<prompt> Pfupisa nyaya yacho: Nguva refu asati aonekwa aine chirwere cheAlzheimer, kutaura kwaRonald Reagan kungave kwakanga kune zviratidzo zvomugariro wake wepfungwa wakanga uchipera simba. Ikoku kunowirirana nenyanzvi dzesayenzi dzeU.S. idzo dzakawana chinjo dzisinganyatsooneki mukutaura kweaichimbova purezidhendi mukati menhambo yake muhofisi kubvira muna 1981 kusvikira kuna 1989. Reagan akabatwa nechirwere cheAlzheimer muna 1994, uye aigara achiti aizosiya basa rake kana utano hwake hwepfungwa hwaizokanganisika. Dzorera pasi kuti uone vhidhiyo. Nguva refu asati aonekwa aine chirwere cheAlzheimer, kutaura kwaRonald Reagan kungave kwaiva nezviratidzo zvomugariro wake wepfungwa wakanga uchipera simba, maererano nefundo itsva yakaitwa neUniversity of Arizona. Mufananidzo uyu wakatorwa muna 1991 muCalifornia, makore matatu bedzi Mutungamiriri wenyika asati aonekwa aine chirwere chendangariro. Kuziva chirwere chacho pachine nguva kunogona kuderedza kufambira mberi kwacho chisati chakuvadza uropi zvakanyanya. Ronald Reagan akafa ava nemakore 93 muna 2004. Muna 2010, bhuku raicherechedza makore zana okuberekwa kwake raisanganisira kutaura kwomwanakomana wake Ron, kuti akaona zviratidzo zvokutanga zvoupenzi mumutungamiri asingakwanisi kubata panguva yemushandirapamwe wa1984. Anotaura kuti akaonazve zvikwangwani izvozvo muna 1986 apo akataura kuti baba vake vakanga vasingagoni kuyeuka mazita emipata inozivikanwa yeCalifornia yaakanga achibhururuka pamusoro payo. Izvi hazvina kudzivisa vavengi vake kutaura kuti muitiro wake wokukanganwa mazita nokuita kutaura kunopesana wakanga uri muuyo wokuora mwoyo. Zvino vatsvakurudzi paYunivhesiti yeArizona vanodavira kuti Reagan akanga achitambura nechirwere cheAlzheimer chakanga chichangotanga paakanga ari purezidhendi. Vakazosvika pamhedziso iyi pashure pokuenzanisa magwaro emisangano yevatori venhau 46 yakaitwa naReagan nemisangano 101 yakaitwa naGeorge H. W. Bush muhurumende yake. Kuverengwa kweshoko rinokosha rakambobatanidzwa nokuderera kwepfungwa muchirwere cheAlzheimer kwakatorwa uye kuongororwa kwokudzokera shure kwakaitwa, vanyori vakanyora kudaro. Reagan akashandisa mashoko akadai sokuti chinhu sechinhu chinokonzera kuyeuka mashoko akarurama kakawanda kupfuura Bush. Akashandisawo kudzokorora kwakawanda. Chikwata chakashandisa algorithm itsva yakavakirwa panzira yakashandiswa navamwe kuongorora chinjo mukunyora navanyori venhau, mukuwirirana ne...  <response>: Vatsvakurudzi vakaongorora zvinyorwa zvemisangano 46 yakaitwa naReagan. Vakaenzanisa izvi nemisangano yakaitwa naGeorge H. W. Bush muhurumende yake. Reagan akashandisa mashoko akadai sokutichinhukuti amubatsire kuyeuka mashoko kakawanda. Akashandisawo kudzokorora kwakawanda, uko kunogona kuva chiratidzo chapakuvamba cheAlzheimers. 