Health Facts
Regularly updated list of health and body facts. Learn things about your body and health that you didn't know. Featuring a range of topics, including the human body, medical science, and psychology.
A man's beard grows fastest when he anticipates sex.
239
Having sex can make a woman look younger and more attractive due to the release of estrogen and collagen.
346
Your heart will pump about 212 million liters in its lifetime.
26
The human brain uses approximately as much energy as a 10 watt light bulb.
120
Coughing can cause air to move through your windpipe faster than the speed of sound - over a thousand feet per second!
197
The human body contains over a billion miles of DNA.
147
Sex burns about 360 calories per hour.
860
The skin on your lips is 200 times more sensitive than your fingertips.
345
Unconsciousness will occur after 8-10 seconds after loss of blood supply to the brain.
93
Pain occurs when sounds are above 130 db.
124
The adult human brain weighs about 3 pounds (1,300-1,400 g).
99
Lack of water is the #1 trigger of daytime fatigue.
148
Our Right Lungs takes more air than our left lung.
194
Although African-Americans make up only 13% of the U.S. population, they accounted for one half of the estimated new HIV/AIDS diagnoses in 2004.
70
Stress can result in more headaches as a result of the body rerouting blood flow to other parts of the body.
92
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
After age 30, the brain begins to lose about 50,000 neurons per day - shrinking the brain .25% each year.
55
The average sperm cell swims at 8 inches per hour.
76
Men are twice as likely to be binge drinkers than women.
87
According to a 1950s survey, 75% of men ejaculate within two minutes of penetration.
109