A new peer-reviewed study in Physiological Reports is the first to evaluate Proenkephalin A 119-159 (penKid) for kidney functional reserve (KFR) assessment, a stress test ...

Know what to watch for.

Kidney disease often causes no obvious symptoms in its early stages. Changes such as persistent foamy urine, swollen ankles or unusual tiredness can sometimes signal a problem, but blood and urine ...

Kidney disease can develop quietly in older adults, often without symptoms until it is advanced. Tiredness, swelling and ...