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 ...

Subtle abnormalities in kidney function — even within the range considered normal — may help identify people at risk of developing chronic kidney disease. This is shown in a new study from Karolinska ...