Crying literally alleviates stress and uniquely allows humans to decrease feelings of anger and sadness.
24
A third of the human population sneezes when they look at the Sun. Light can signal the ocular nerve near the sinuses and triggers a sneeze.
18
After age 30, the brain shrinks a quarter of a percent (0.25%) in mass each year.
139
Women have about four times as many foot problems as men; lifelong patterns of wearing high heels often are the culprit.
111
Yawns are more contagious among people with closer relationships.
163
The human eye blinks an average of 4,200,000 times a year.
233
Your heart will pump about 212 million liters in its lifetime.
26