Our eyes are always the same size from birth, but our nose and ears never stop growing.
269
It has been shown that caffeine causes headaches when stopped suddenly and can cause morning headaches that are relieved by a dose of caffeine.
101
It takes 17 muscles to smile, 43 to frown.
65
The largest cell in the human body is the female egg and the smallest is the male sperm.
682
The adult human brain weighs about 3 pounds (1,300-1,400 g).
99
A study in the UK states that men need at least two "guys nights out" each week to stay healthy.
5
Your ears secrete more earwax when you are afraid than when you aren't.
235
During a typical human life span, the human heart will beat approximately 2.5 billion times.
21