Ngokukhula kweminyaka, amandla emisipha yabantu asebekhulile, ikhono lokulinganisela, ukunyakaza kwamalunga kuzoncipha, noma njengokuphuka, isifo samathambo, isifo sikaParkinson, okulula ukuholela ebunzimeni bokuhamba noma ukungazinzi, kanye no-2 ku-1 Sitting Walker kungathuthukisa isimo sokuhamba somsebenzisi. Ikamu...
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