Snap, crackle, pop. No, it's not the sound of someone pouring milk on that crispy rice cereal you ate as a kid — it's the sweet explosion of someone cracking their neck or back. No matter how you feel ...

Gently or occasionally cracking your neck may not cause any harm. But doing it incorrectly, too frequently, or too forcefully can actually cause more pain or discomfort. Cracking your joints is a ...