After age 30, the brain begins to lose about 50,000 neurons per day - shrinking the brain .25% each year.
55
If your DNA was stretched out it would reach to the moon 6,000 times.
256
It is almost impossible to sneeze with your eyes open. It is a defense mechanism that has evolved to protect our eyes from bacteria and debris.
164
Cigarette smoke contains 4,800 chemicals, 69 of which cause cancer.
145
The largest cell in the human body is the female egg and the smallest is the male sperm.
682
If you are cold you are more likely to be hungry because you use energy to keep warm.
144
Every day, the average person swallows about a quart of mucous.
5
The human heart creates enough pressure to squirt blood 30 ft.
37
