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Why do your legs bow as you get older? The link between aging, arthritis, and varum

According to the Hospital for Special Surgery, bowlegs in middle-aged people are associated with degeneration of the inside of the knee, which can be quite painful. This makes many wonder: **why do your legs bow as you get older?** For most adults, this happens not as a natural part of aging, but rather as a progressive condition stemming from joint deterioration, uneven cartilage wear, and underlying bone disorders.