Poor eyesight (myopia) is associated with higher IQ.
232
The average person can live for eleven days without water, assuming an average temperature of 60 degrees fahrenheit.
15
If you are cold you are more likely to be hungry because you use energy to keep warm.
144
A person infected with the SARS virus, has a 95-98% chance of recovery.
23
About 400 different kinds of microbes live on and in the human body.
-3
A third of the human population sneezes when they look at the Sun. Light can signal the ocular nerve near the sinuses and triggers a sneeze.
18
Some people have a "natural alarm clock" allowing them to wake up when they want. This is actually caused by a burst of the stress hormone adrenocorticotropin.
15

