Your heart rate can rise as much as 30% during a yawn.
69
Foreign accent syndrome is a rare brain disorder which causes people to speak in a foreign accent involuntarily.
15
When you get blackout drunk, you don't actually forget anything; your brain wasn't "recording" in the first place.
23
Wearing headphones for an hour increases the bacteria in your ear 700 times.
233
On average, someone in the US suffers a stroke every 40 seconds; someone dies every 3 minutes from stroke.
57
Your ears secrete more earwax when you are afraid than when you aren't.
229
The smallest human penis ever recorded was just 5/8 of an inch long!
77
Midgets and dwarfs almost always have normal sized children.
54