Yawns are more contagious among people with closer relationships.
163
Our Right Lungs takes more air than our left lung.
194
Women have about four times as many foot problems as men; lifelong patterns of wearing high heels often are the culprit.
111
Stress can result in more headaches as a result of the body rerouting blood flow to other parts of the body.
92
Your thumb is about the same size as your nose.
124
Your heart will pump about 212 million liters in its lifetime.
26
One human hair can support 3 ounces.
191
The human body contains over a billion miles of DNA.
147