The Times of India

Does cracking your knuckles make them bigger? Scientists finally settle long-standing myth

For decades, knuckle cracking has been blamed for arthritis and joint damage. Scientists now say the sound comes from gas cavities forming inside synovial fluid, not bones or cartilage. MRI studies and long-term experiments, including a 50-year self-study, show no evidence that habitual knuckle cracking causes arthritis or enlarges joints.