Only 1% of bacteria cause disease.
45
You have no sense of smell when you're sleeping!
72
The levels of two stress hormones, cortisol and epinephrine which suppress the body's immune system, will actually drop after a dose of laughter.
112
Your body is creating and killing about 2.4 million red blood cells per second.
17
Stress can result in more headaches as a result of the body rerouting blood flow to other parts of the body.
92
Contrary to popular beliefs, chocolate does not cause acne.
63
The adult human brain weighs about 3 pounds (1,300-1,400 g).
99