<prompt> Fingqa isihloko: Kwabulala amalungu omkhaya amane futhi kwashiya umfowabo elele embhedeni. Manje, lesi sifo esinonya esiye sahlasela izizukulwane eziningana zomkhaya kaChris Graham sesiphinde sahlasela. UMnuz Graham ngokwakhe watholakala enesifo i-Alzheimers esiqala ngokushesha eneminyaka engu-34 kuphela ubudala. Lo muntu owayesebusosheni, manje oneminyaka engu-39, wathola ngo-2010 ukuthi uphethe i-gene eliyinkinga efanayo eyabulala uyise, ubabekazi, umzala wakhe nomkhulu wakhe, bonke abaseminyakeni yawo-40. Lolu hlobo lwesifo sika-Alzheimer olungavamile, oluzuzwa njengefa, noma oluthandwa umndeni luye lwashiya nomfowabo oneminyaka engu-43 ubudala, uTony, elele embhedeni ekhaya labagulayo futhi ondliwa nge-tube. Skrolela phansi ukuze ubone ividiyo. UChris Graham kwatholakala ukuthi unesifo i-Alzheimers esiqala ngokushesha eneminyaka engu-34 kuphela ubudala. Amalungu amaningi omkhaya wakhe aye abulawa uhlobo olunonya, lofuzo lwalesi sifo. Njengomfowabo, uMnuz Graham uphethe uhlobo olunephutha lofuzo lwe-PSEN-1, oluthinta imikhaya engaba ngu-400 emhlabeni wonke. Ubaba wabantwana abathathu, waseCarterton e-Oxfordshire, unenkinga encane yokukhumbula, kodwa uyazi ukuthi kuyindaba yesikhathi, hhayi ukuthi ukuwohloka komqondo kuyaqhubeka yini. Nakuba esemncane, inqubo yesifo iyomthinta ngendlela efanayo naleyo abantu abalinganiselwa ku-500 000 abanesifo i-Alzheimers abanaso e-UK. UMnu Graham, owakhululwa kwezokwelapha ebuthweni lempi ngoJanuwari ngemva kweminyaka engu-23 esebenza, wathi: Abangane bami abazange bangikholwe lapho ngibatshela ukuthi nginesifo i-Alzheimers. Eminyakeni engu-39 ubudala, abantu abaqondi ukuthi: Ngilwela ukuqina ngingaba kanjani nento efana nalena? Sisacabanga ukuthi i-Alzheimers iwukukhohlwa kancane njengoba sikhula. Iqiniso libi kakhulu kunalokho. Waqhubeka: Umkhaya wakithi uye washaywa kanzima i-Alzheimers. Ubaba washona eneminyaka engu-42. Wayesesibhedlela isikhathi eside kakhulu angimkhumbuli ngempela, ngangineminyaka eyisithupha noma eyisikhombisa kuphela ngaleso sikhathi. Udadewabo, u-anti Thelma, washona eneminyaka engu-41 ubudala njengoba naye ayezuze njengefa i-gene enesici. Ngabuye ngalahlekelwa umzala, indodakazi kaThelma, eneminyaka engu-41, nomkhulu, uyise kababa, eneminyaka engu-46 ngenxa yalesi sifo. Lolu hlobo lwesifo i-Alzheimer oluyivelakancane, oluzuzwa njengefa, noma oluvela emndenini luye lwashiya nomfowabo oneminyaka engu-43 ubudala, uTony osesithombeni kanye no...  <response>: UChris Graham kwatholakala ukuthi unesifo i-Alzheimers esiqala ngokushesha eminyakeni emihlanu edlule. Lesi sifo siye sabulala amalungu omkhaya amane asondelene naye. Wabulala uyise eneminyaka engu-42, futhi umfowabo kaChris usembhedeni eneminyaka engu-43 nje kuphela. Manje uqoqa imali yokucwaninga ngesifo sika - Alzheimer. Uhlela ukugibela ibhayisikili amakhilomitha angu-16 000 azungeze iCanada neMelika ngenyanga ezayo. 