20 minutes after smoking a cigarette, blood pressure drops to normal.
37
The pupil of the eye expands as much as 45 percent when a person looks at something pleasing.
130
The largest cell in the human body is the female egg and the smallest is the male sperm.
682
Ernest Hemingway survived through anthrax, malaria, pneumonia, dysentery, skin cancer, hepatitis, anemia, diabetes, high blood pressure, two plane crashes, a ruptured kidney, a ruptured spleen, a ruptured liver, a crushed vertebra, a fractured skull, and more.
67
Wearing tight pants can lead to impotence in men.
120
You're born with 300 bones, but when you get to be an adult, you only have 206!
17
The skin on your lips is 200 times more sensitive than your fingertips.
345
If you stop working out, it takes twice as long to lose strength than it took to gain it.
16