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Studies indicate that for many, the glomerular filtration rate, a key measure of kidney function, declines after age 40. This process is directly linked to understanding **what happens to glomeruli as a person ages**, emphasizing the importance of proactive senior care to support long-term kidney health.
The kidneys' filtering function, measured by GFR, naturally declines with age, a physiological process that begins for many after age 40. For many individuals, a moderate reduction in GFR is a normal part of aging. This article explains what is a normal GFR for a 90 year old and what to consider in interpreting results.
Statistics show that kidney function declines by approximately 1% per year after age 40, making it essential to understand health markers. This is why addressing **what does high creatinine mean in the elderly** is crucial for proactive senior care and well-being.
It is estimated that after age 40, the glomerular filtration rate (GFR), a key index of kidney function, declines by about 8 mL/min per decade. For those asking what is true of the aging process and kidney function quizlet, this age-related reduction is a central element.
According to the National Kidney Foundation, the average eGFR is 116 mL/min/1.73 m² for adults aged 20-29, but drops to 75 mL/min/1.73 m² for those 70 and older. This reflects the natural aging process, which inevitably raises the question: **At what age does EGFR start to decline?** Most evidence indicates that a slow, steady decrease in estimated glomerular filtration rate (eGFR) typically begins after a person reaches 30 to 40 years old.
