Coughing can cause air to move through your windpipe faster than the speed of sound - over a thousand feet per second!
197
Women have about four times as many foot problems as men; lifelong patterns of wearing high heels often are the culprit.
111
Dogs can be trained to identify the scent of lung cancer long before symptoms develop.
190
The average sperm cell swims at 8 inches per hour.
76
Your body is creating and killing about 2.4 million red blood cells per second.
17
If you are cold you are more likely to be hungry because you use energy to keep warm.
143
The average person's skin weighs twice as much as their brain.
131
Our eyes are always the same size from birth, but our nose and ears never stop growing.
266