Which is considered a normal age-related change that may affect hydration in elderly patients?

Decreased kidney function is recognized as a normal age-related change that significantly impacts hydration in elderly patients. As individuals age, the kidneys undergo structural and functional changes that can lead to a decline in their ability to concentrate urine and excrete waste effectively. This reduced kidney function means that elderly individuals may not manage fluid balance as well as younger adults, making them more susceptible to dehydration.

As kidney function declines, the ability to conserve water decreases, which can contribute to an increased risk of body fluid imbalances. Furthermore, older adults may not respond to thirst signals as effectively, making them less likely to drink adequate fluids, thereby compounding the effects of reduced kidney function. Understanding these changes is crucial for managing hydration in the elderly, who are often at a higher risk for dehydration compared to younger populations.