mental decay

See: insanity
Mentioned in ?
References in classic literature ?
Ten years earlier his life had been darkened by the mental decay of his sister and the death of Coleridge; and other personal sorrows now came upon him.
For amid the physical and mental decay, the tedium, the uncertainty and the meaningless of existence, there is compassion and no small amount of humour.
Is it inevitable or can the mental decay of age be avoided?
In her place, Bombeck would have blamed the oversight on mental decay caused by encroaching menopause--at 31--and would have hidden the evidence by eating all the muffins herself.
Even then, you will eventually need your frontal lobes capped to prevent further mental decay.
Despite the continuing controversy over smoking, the concerns about mental decay and moral corruption voiced by opponents of cigarettes early in this century seem quaint and fanciful today.