Redheads require more anesthesia to 'go under' than other hair colors do.
51
If you are cold you are more likely to be hungry because you use energy to keep warm.
144
If you stop working out, it takes twice as long to lose strength than it took to gain it.
16
The levels of two stress hormones, cortisol and epinephrine which suppress the body's immune system, will actually drop after a dose of laughter.
112
Sleeping on your stomach can induce weirder, scarier, and sexier dreams.
22
On average, there's 100 billion neurons in the human brain.
83
Deep Breathing gives you health benefits similar to aerobics.
39