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
A human being loses an average of 40 to 100 strands of hair a day.
133
The human brain uses approximately as much energy as a 10 watt light bulb.
120
The human body contains over a billion miles of DNA.
147
The brain receives 20% of the body’s oxygen and 25% of total body glucose utilization, despite it accounting for only 2% of a person’s weight (about 1.4 kilograms).
8
The idea of left brain (logical) and right brain (creative) has no basis in neuroscience and is in fact a myth.
16
Most of us have microscopic, worm like mites named Demodex that live in our eyelashes and have claws and a mouth.
-137
Blue eyes are a genetic mutation. Before the mutation occured, all humans had brown eyes.
89