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Leg weakness in older adults should not automatically be dismissed as a normal part of aging. While some age-related changes in muscle mass and strength are common, new, sudden, progressive, or unexplained weakness may warrant medical attention.
Potential causes can include nutritional deficiencies, circulation problems, medication effects, nerve compression, reduced physical activity, and other medical conditions. Some causes may improve with appropriate treatment, rehabilitation, lifestyle changes, or adjustments to medical care, but outcomes depend on the underlying condition.
If leg weakness appears suddenly, becomes rapidly worse, affects one side
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