Take a deep breath... hold it... breathe out... now wait a sec before breathing in again. Bookmark QuietKit's box breathing for a follow-along animation to help you do this any time you need it.

A researcher who studied the posture of people who experience virtually no back pain offers us a few exercises to get that pain-free life ourselves. One involves a simple breathing exercise, another asks us to clench our butts.

Have you ever noticed a moment of breathlessness as you wait for Twitter to load, your email to refresh, or your Bluetooth device to connect? Your muscles seizing up as you wait for your technology to work? Annoyance at your phone your phone temporarily turning into the damn RMS for a whole six seconds?

Breathing is so easy on land that we don't think about it, but in the water, we have to coordinate our whole body just to grab a breath of air. This video can help you fix some of the ways you may be making this task even harder than it needs to be.

iOS: Anyone struggling with stress understands that even a little time to relax can help a lot, and Breathe for iPhone is an app that walks you through simple breathing exercises to help you relax, de-stress and find a little peace.

I, and every new parent I know, am terrified of Sudden Infant Death Syndrome, better known as SIDS. It's the leading cause of death for babies between one month and one year old, killing approximately 130 per year peacefully in their sleep in Australia. And so we check constantly to see if our babies are still breathing.

Illusionist and stunt performer Harry Houdini was famously capable of holding his breath for over three minutes. But today, competitive breath-hold divers can squeeze ten, fifteen, even twenty minutes out of a single lungful of air. How do these divers do it -- and how can you train to hold your breath for longer?

When you're nervous, your body will kick into overdrive to try to solve the problem itself. You're flooded with adrenaline and your muscles start shaking. To help counteract this, intentionally slow your breathing by inhaling for four seconds, exhaling for four seconds, and repeating.

Breathing isn't something we often think about, yet how we breathe can deeply affect how we feel and move. Proper breathing, a trainer of pro athletes tells us, takes practice.