Your heart pumps about 2,000 gallons of blood each day!
53
Due to the angle at which the optic nerve enters the brain, staring at a blue surface during sex greatly increases the intensity of orgasms.
252
The average person who stops smoking requires one hour less sleep a night.
79
The levels of two stress hormones, cortisol and epinephrine which suppress the body's immune system, will actually drop after a dose of laughter.
112
The human brain uses approximately as much energy as a 10 watt light bulb.
120
The skin on your lips is 200 times more sensitive than your fingertips.
345
The human brain is more active during sleep than during the day.
28
In older people, memory is best early in the morning and then declines during the late afternoon.
33