Enamel is hardest substance in the human body.
61
Staying awake for 17 hours is the same for your body as drinking 2 glasses of wine.
193
During a typical human life span, the human heart will beat approximately 2.5 billion times.
21
At age 70, more than 70 percent of men are still potent!
29
The adult human brain weighs about 3 pounds (1,300-1,400 g).
99
Men have larger hearts; women's hearts beat faster.
77
Oenophobia is the Fear of wines.
28
It takes twice as long to lose new muscle if you stop working out than it did to gain it.
127
