Here are six behaviors that habitual knuckle crackers tend to share. Some people internalize stress. They ruminate, spiral, ...

Do you crack your knuckles? For decades, warnings about possible harm have caused concern about the habit — here is what the research says.

If you are someone who cracks your knuckles every day just for that oddly satisfying pop, you are not alone. For many, the sharp sound brings a fleeting sense of relief or relaxation. Yet, there has ...