Kidney disease is widely known as the “silent killer.” While the disease might not present noticeable signs, here are 10 signs that indicate your kidneys are functioning well: 1. Pale yellow urine. Good hydration and healthy kidney concentrating ability keep urine light-colored. Very dark urine (when not from supplements) can signal concentrated, poorly filtered output. 2. Normal, consistent urine output. Roughly 6–8 trips a day, not constantly and not barely at all, suggests your kidneys are filtering and balancing fluid the way they should. 3. No foam or bubbles in urine. Persistent foamy urine can point to protein leaking through the filters. Its 221 is a reassuring sign your filtration barrier is intact. 4. No swelling in the ankles, legs, or around the eyes. Kidneys that are managing sodium and fluid balance well don’t let fluid pool in these areas. 5. Blood pressure in a healthy range. The kidneys and blood pressure regulate each other constantly. Stable, normal readings sug...