Knee Pain After 40: Is It Arthritis, Ligament Injury, or Something More Serious?

Knee pain after 40 is common, but it should not be treated as “normal aging” without understanding the cause. Many people start with mild discomfort while climbing stairs, walking for long, sitting cross-legged, or getting up from a chair. Some ignore it because the pain comes and goes. Others keep taking painkillers without knowing whether […]