If your knees crack, pop, or make that weird grinding sound when you stand up or climb stairs, you are not alone. Those noises can show up in older adults, younger people, and everyone in between, no ...

Q: My knee makes a popping sound sometimes — should I be concerned? A: Knee noises can be unsettling, but they're not always a cause for concern.

If your knees click every time you climb the stairs or stand up from the floor, you are not alone. For many people, that small sound can trigger a big worry. Is this the start of arthritis? Is ...