It has been shown that caffeine causes headaches when stopped suddenly and can cause morning headaches that are relieved by a dose of caffeine.
101
The average sperm cell swims at 8 inches per hour.
4
In the average lifetime a person will breath in about 44 pounds of dust.
21
There are about 1,400 different species of bacteria in your belly button.
10
We blink 25 times a minute.
51
Human hair and fingernails continue to grow after death.
7
After age 30, the brain begins to lose about 50,000 neurons per day - shrinking the brain .25% each year.
55
By weight, Bone is five times stronger than steel.
417