old age and infirmity come to men and women alike
the infirmities of old age
the state of being weak in health or body (especially from old age)
(infirm) decrepit: lacking bodily or muscular strength or vitality; "a feeble old woman"; "her body looked sapless"
(infirm) lacking firmness of will or character or purpose; "infirm of purpose; give me the daggers" - Shakespeare
Illness (sometimes referred to as ill-health or ailment) is a state of poor health. Illness is sometimes considered a synonym for disease. Others maintain that fine distinctions exist. Some have described illness as the subjective perception by a patient of an objectively defined disease.
feebleness and frailty, especially due to old age
(infirm) To contradict, to provide proof that something is not; Weak or ill, not in good health; insecure; irresolute; frail; unstable
(Infirmities) To dream of infirmities, denotes misfortune in love and business; enemies are not to be misunderstood, and sickness may follow. To dream that you see others infirm, denotes that you may have various troubles and disappointments in business.