We ask a lot of weird questions here at The Body Odd. But so do you! Here's our answer to one of your latest queries. Got an inquiring mind? Head over to our Facebook page and ask us your oddest ...

The noise of cracking or popping in our joints is caused by nitrogen which – in addition to oxygen and carbon dioxide – is a gas that flows throughout our bodies. Between the joints is connective ...

I’ve got my fair share of unconscious habits: running my hands through my hair, tapping my feet, pursing my lips when I’m concentrating—and, of course, cracking my knuckles. That last one is perhaps ...