Ngokukhula kweminyaka, amandla emisipha yabantu abadala, ikhono lokulinganisela, ukunyakaza kwamalunga kuzokwehla, noma njengokuphuka, isifo samathambo, isifo sika-Parkinson, kulula ukuholela ebunzimeni bokuhamba noma ekungazinzini, futhi 2 ku-1 Sitting Walker angathuthukisa isimo sokuhamba somsebenzisi. .Ikama...
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