Coughing can cause air to move through your windpipe faster than the speed of sound - over a thousand feet per second!
197
One human hair can support 3 ounces.
191
The adult human brain weighs about 3 pounds (1,300-1,400 g).
99
When you take a step, you are using up to 200 muscles.
886
Stress can result in more headaches as a result of the body rerouting blood flow to other parts of the body.
92
It takes twice as long to lose new muscle if you stop working out than it did to gain it.
127
Your body is creating and killing about 2.4 million red blood cells per second.
17
Women have about four times as many foot problems as men; lifelong patterns of wearing high heels often are the culprit.
111