More people have a phobia of frogs than rats.
41
The human brain is more active during sleep than during the day.
28
If every muscle in your body could pull in one direction, you could lift nearly 25 tons.
22
The average human body contains enough iron to make a small nail.
50
In older people, memory is best early in the morning and then declines during the late afternoon.
33
The human brain is insensitive to pain.
76
Tap water in Canada is held to a higher health standard than bottled water.
19
Pain travels through your body at 350 ft. per second.
36