Redheads require up to 20% more anesthesia to be knocked out.
112
Your tongue is the only muscle in your body that is attached at only one end.
173
25% of your bones are located in your feet.
12
Clinophobia is the fear of beds!
30
It has been shown that caffeine causes headaches when stopped suddenly and can cause morning headaches that are relieved by a dose of caffeine.
101
Kissing releases masses of oxytocin, a "love potion" that helps couples bond and feel more attracted to each other.
13