Mums often ask us to tell their children that cracking their knuckles will give them arthritis. Sorry mums, it doesn’t. However, it may really annoy your mums, so kids – Don’t do it!
Mums often ask us to tell their children that cracking their knuckles will give them arthritis. Sorry mums, it doesn’t. However, it may really annoy your mums, so kids – Don’t do it!