Whether you trip down the stairs in public or accidently let out a burp in front of all your coworkers, blushing is a natural response to sudden self-consciousness. Here's what you should know about the phenomenon.

A stimulant nap is a great way to beat the afternoon slump. Here's what you should know about this potential lifesaver.

Blood is essential to life, but you might be surprised exactly how much the human body contains.