With age, the human body loses the ability to synthesize a sufficient number of various substances that are necessary for the regeneration of lost cells in tissues, bones and cartilage.
Umzimba womuntu ngeminyaka ilahlekelwa ikhono synthesize isamba elanele izinto ezihlukahlukene, okuyizinto ezidingekayo ukuze ukuvuselelwa lamaseli elahlekile ezicutshini, ethanjeni uqwanga.