Disuse atrophy, in which the lost muscle tissue is replaced by fibrous connective tissue. Regular weight-bearing exercise can stop this before it becomes irreversible, barring full atrophy.
The term "geriatrics" relates to the medical treatment of elderly people, a difficult-to-define age category. Gerontology is the study of ageing, which includes changes in biology, society, and psychology. Although "older" is preferred to "elderly," both phrases lack precision.
Alzheimer's and Parkinson's disease, for example, have an effect on elderly people's mental health. The elderly population frequently struggles with anxiety or depressive problems.
Common geriatric disorders that have a significant impact on older people include falls, urine incontinence, visual and hearing problems, weight loss, depression, impaired memory, and poor self-rated health.
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