An average heart beats 100,000 times a day, pumping some 2,000 gallons of blood through its chambers. Over a 70-year life span, that adds up to more than 2.5 billion heartbeats.
73
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
Chocolate, sex, and laughter are all important for a healthy brain.
37
It's possible to die from a broken heart; it's called Stress Cardiomyopathy.
165
Common pesticides such as roach, termite, and flea insecticide can be found in the bodies of the majority of Americans.
11
Your body is creating and killing about 2.4 million red blood cells per second.
17
Sex burns about 360 calories per hour.
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