When you get goosebumps and your hair stands, the hair helps to trap air, making you feel warmer by keeping in your body heat.
46
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
Your wounds heal faster if you lick them, you instinctively do this for that reason. Tears help, too.
20
The whiter your tongue, the more germs there are on it.
88
Oenophobia is the Fear of wines.
28
About 400 different kinds of microbes live on and in the human body.
-3
Wearing headphones for an hour increases the bacteria in your ear 700 times.
235
In the average lifetime a person will breath in about 44 pounds of dust.
21
