Brain scans show that people who view photos of a beloved experience an activation of the caudate - the part of the brain involving cravings.
103
Wearing headphones for an hour increases the bacteria in your ear 700 times.
233
Your wounds heal faster if you lick them, you instinctively do this for that reason. Tears help, too.
20
2 out of 3 adults in the United States have hemorrhoids.
7
Your skin is actually an organ.
88
The record for the longest scientifically documented period without sleep is 264.4 hours (eleven days).
15
You can alleviate a tickly throat by scratching your ear.
9