noun
infirmities of old age; age-related illness
Refers to chronic illnesses or physical decline associated with aging. Often used in formal or literary contexts.
祖父は老病で長く入院している。
My grandfather has been hospitalized for a long time due to age-related illness.
老病に苦しむ高齢者が増えている。
The number of elderly people suffering from age-related illnesses is increasing.