Yes, there are diseases that will eventually overcome the body as we age, but we have no idea how many times through a lifetime that our immune systems have saved us from certain death.
Ndiyo, kuna magonjwa ambayo hatimaye hulemea mwili tunapozeeka, lakini hatuna wazo jinsi mara nyingi kwa njia ya maisha kwamba mifumo yetu ya kinga itaweza kutuokoa kutoka kwa kifo fulani.