Fingernails grow nearly 4 times faster than toenails.
31
Enamel is hardest substance in the human body.
61
Common pesticides such as roach, termite, and flea insecticide can be found in the bodies of the majority of Americans.
11
Children are poisoned most frequently by eating harmful plants.
13
Ingrown toenails are hereditary.
15
A sneeze can travel as fast as 100 miles per hour.
43
Fingernails grow fastest on the hand you favor.
44
Your heart beats over 100,000 times a day!
54