The diaphragm is a dome-shaped muscle that separates the chest from the abdomen. This muscle, also called the thoracic diaphragm, is the main muscle used for breathing and is also involved in other ...

We've tested the best men's running shoes to help you find a pair that'll support your training and get your next personal best.

The pleura is a two-layered membrane that covers the lung. Between the layers is a small amount of lubricating fluid, known as pleural fluid, which helps cushion the lung and reduce friction between ...

In the Wild West of the TSA line, you want to be quick and stealthy. To stay under the radar and keep the crowd moving, you cannot be the person who needs to unbuckle, un-tie or otherwise unfasten a ...

Caring about your hiking shoes doesn’t make you a stick in the mud. Whether you’re a trail runner, backwoods trekker or just a novice hiker that enjoys spending time outside, you want to ensure you’ve ...

Katherine J. Igoe has been a full-time freelancer for over a decade with a focus on style, lifestyle, and parenting. If you love heels but hate how they make your feet feel, you're not alone.