A hard working adult sweats up to 4 gallons per day. Most of the sweat evaporates before a person realizes it's there, though!
25
Your heart rate can rise as much as 30% during a yawn.
69
You see your nose at all times, your brain just chooses to ignore it.
30
Oenophobia is the Fear of wines.
28
If you are cold you are more likely to be hungry because you use energy to keep warm.
143
The right lung takes in more air than the left.
30
Flu shots only work about 70% of the time.
18
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