New Delhi, Oct. 26 -- If you think arthritis only affects older people, here's reason to rethink: many people in their 30s and 40s also experience symptoms. As someone in your 30s juggling work and a busy social life, it can be easy to miss some signs from your body. You might notice occasional knee pain after a long day or joint stiffness each morning. These might seem like minor issues, but more people in their late 30s and early 40s are now showing early signs of arthritis, according to doctors.

Sedentary lifestyles often involve sitting for long periods, poor posture, and high stress, making younger adults more at risk for early arthritis, notes the Arthritis Foundation. Early arthritis can be caused by various factors, including ina...