Well I recall teachers some of my teachers telling me that when I was at school in the 70’s. Fortunately it was just a habit that I grew out of, and besides I really was not that good at it, most of the time I couldn’t make any noise.
Whether you crack your knuckles to relieve stress or just out of habit, you’ve likely heard people warn that it can cause arthritis or worse. Spoiler alert: It doesn’t cause arthritis, according to Alex Foxman, MD, of the Beverly Hills Institute and an internist specializing in Internal, Aesthetic, and Preventive Medicine in Los Angeles. But that doesn’t mean the habit is harmless.