After age 30, the brain shrinks a quarter of a percent (0.25%) in mass each year.
139
The average office desk has 400 times more bacteria than a toilet.
22
Foreign accent syndrome is a rare brain disorder which causes people to speak in a foreign accent involuntarily.
15
Crushed cockroaches can be applied to a stinging wound to help relieve the pain.
31
The heart pumps about 1 million barrels of blood during an average lifetime!
30
If your stomach didn't produce a new layer of mucous every two weeks, it would digest itself.
33
20 minutes after smoking a cigarette, blood pressure drops to normal.
37
Your wounds heal faster if you lick them, you instinctively do this for that reason. Tears help, too.
20