Cracking knuckles is one of the most common habits, but many believe it’s not good for the joints. TikTok is full of videos advising against cracking knuckles as content creators claim it will “ruin your hand” by causing serious damage. Doctor debunks biggest myth about cracking knuckles Many avoid cracking their knuckles under the assumption it causes arthritis, but that’s not true. Dr. Karan Rajan, debunked the myth in his TikTok video while detailing the factors that cause the sound in your knuckles. For the unversed, Dr. Karana finished his Bachelor of Medicine from Imperial College London…