How do kidneys age?

Kidneys filter waste, acid, and excess fluids from the body. Our kidneys filter a cup of blood every two minutes, according to the NIDDK. This process stabilises blood water, salt, and minerals.

Kidney function decreases with age. GFR reduces 6.3 mL each decade, according to Advances in Chronic Kidney Disease. Weakened kidneys can't eliminate as much waste, causing blood toxin accumulation.

Along with a lower GFR, renal tissue decreases. Less renal tissue may reduce function. Nephrons shrink with ageing, which slows the kidneys' waste filtering.

Loss of renal function in elderly adults causes kidney disease. Johns Hopkins University figures show that 50% of those over 75 have some sort of renal illness.

Chronic renal disease results from failing kidneys (CKD). After kidney impairment, you'll require dialysis or a transplant. Type 1 or type 2 diabetes, high blood pressure, 

hereditary kidney illnesses, inflammation of the glomeruli or tubules, and persistent kidney infections may cause CKD.

Staying active helps maintain healthy kidneys. Manage your blood pressure and cholesterol. Adding more fruits and vegetables and avoiding salty meals may also help your kidneys. 

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