Skip to content
Healthy Aging Hub

:

Articles related to focusing on healthy aging, prevention, mobility, cognition, nutrition, independence, and caregiving support.

4 min

What is the average kidney function of a 70 year old?

According to research, the average estimated glomerular filtration rate (eGFR) for adults aged 70 or older is approximately 75 mL/min/1.73 m², a natural decline from younger years. Understanding what is the average kidney function of a 70 year old is crucial for monitoring health and identifying potential risk factors for chronic kidney disease.

Read Healthy Aging
4 min

At what age do kidneys start to fail? The definitive guide to aging kidneys

After age 50, many people experience a gradual, natural decline in kidney function, losing about 1% of function per year. However, this is distinct from outright failure. Understanding **at what age do kidneys start to fail** is key to managing health proactively and distinguishing normal aging from serious disease progression.

Read Healthy Aging
4 min

How does kidney function change with age?

By age 70, a healthy person's glomerular filtration rate (GFR) can decrease by as much as 40% compared to a young adult. Learning exactly **how does kidney function change with age** is crucial for proactive senior care and managing long-term health effectively.

Read Healthy Aging
3 min

What is a Normal GFR for a 90 Year Old? A Guide to Healthy Aging & Kidney Function

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.

Read Healthy Aging
4 min

Does the number of nephrons decrease with age? A look into renal decline

According to a study published in the *Journal of the American Society of Nephrology*, healthy living kidney donors aged 70–75 had almost 50% fewer functioning nephrons compared to donors aged 18–29. This confirms that, for the vast majority of people, **does the number of nephrons decrease with age?** Yes, it is a normal and predictable part of the aging process.

Read Healthy Aging
3 min

Can eGFR increase with age? Understanding the Facts About Kidney Function

Healthy kidney function naturally declines as a person gets older, with the average eGFR dropping by approximately 1 mL/min per year after age 40. Given this physiological reality, many ask: **Can eGFR increase with age?** For most, the answer is complex, focusing more on slowing decline than achieving a permanent increase.

Read Healthy Aging
4 min

At what age does EGFR start to decline? The normal and accelerated drop in kidney function

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.

Read Healthy Aging
5 min

What is the rate of decline in kidney function with age a systematic review?

According to a systematic review spanning 12 studies from 1958 to 2021, a natural decline in kidney function with age is a physiological reality for healthy adults. The key question, 'What is the rate of decline in kidney function with age a systematic review?', is central to understanding the distinction between normal aging and chronic disease. By examining longitudinal data, we can better anticipate a patient's kidney trajectory.

Read Healthy Aging
4 min

How does aging affect the renal system?

By age 70, many individuals have experienced a 10% decrease in renal cortical thickness, alongside a parallel 10% decline in renal blood flow each decade after age 30. This decline illustrates how aging affects the renal system through gradual, predictable changes that can impact overall health and increase the risk of kidney-related complications.

Read Healthy Aging