Kissing an infection-free partner is good for your teeth!
141
If your DNA was stretched out it would reach to the moon 6,000 times.
256
Coughing can cause air to move through your windpipe faster than the speed of sound - over a thousand feet per second!
197
At age 70, more than 70 percent of men are still potent!
29
Cracking your knuckles does not actually hurt your bones or cause arthritis. The sound you hear is just gas bubbles bursting.
18
Your thumb is about the same size as your nose.
124
The lense of the eye continues to grow throughout a person's life.
34
2 out of 3 adults in the United States have hemorrhoids.
7