The record for the longest scientifically documented period without sleep is 264.4 hours (eleven days).
15
It takes 17 muscles to smile, 43 to frown.
65
A study in the UK states that men need at least two "guys nights out" each week to stay healthy.
5
Having sex can make a woman look younger and more attractive due to the release of estrogen and collagen.
346
People that suffer from gum disease are twice as likely to have a stroke or heart attack.
22
In 1996, research found that having excessive body hair is linked to higher intelligence.
23
India used to be the richest country in the world until the British invasion in the early 17th Century.
37

