Kidney function decline and risks in aging populations

Kidney function naturally declines with age, particularly after the age of 60, as the organs become less efficient at filtering waste, balancing fluids, and processing medications. This decline can make older adults more vulnerable to kidney disease and failure, especially when combined with other health conditions.

Chronic kidney disease (CKD) is often described as a silent disease because it can develop quietly for years without noticeable symptoms. A person may lose significant kidney function while still feeling well. Because of this, blood and urine tests are often more effective for early detection than relying on physical symptoms.

Key symptoms of kidney dysfunction include changes in urination, nausea, muscle cramps, fatigue, swelling in the extremities, and difficulty controlling high blood pressure. Major contributors to kidney damage include diabetes and hypertension, which can damage the blood vessels and filtering structures within the kidneys over time.