From childhood contests to grown-up moments of poolside bravado, most of us have tested our limits to see how long we can go without breathing. The aftermath includes experiencing a little ...

Answering an email or text may seem simple enough, but sometimes this simple act can elicit a seemingly dramatic bodily response: you may find yourself holding your breath or breathing shallowly.

Add Yahoo as a preferred source to see more of our stories on Google. Answering an email or text may seem simple enough, but sometimes this simple act can elicit a seemingly dramatic bodily response: ...