DEAR DR. ROACH: I am a 73-year-old female. A recent blood test returned an eGFR (estimated glomerular filtration rate) of 59. My physician’s nurse told me that the test was normal. When I asked her ...

The most important test to check the health of the kidney is the kidney function test. It is also called renal function test. In this, the functioning of the kidney is checked on several parameters ...

Disagreement between creatinine and cystatin C kidney tests signals a much higher risk of serious disease and death, suggesting both measures should be used together. A new study suggests that when ...

I reassured him and sent him to get another blood specimen drawn without a tourniquet. Why? Because I suspected that the ...

People with impaired kidney function have higher levels of Alzheimer's biomarkers in their blood, but not an increased risk of dementia, according to a study published December 3, 2025, in Neurology ® ...