A person will burn 7 percent more calories if they walk on hard dirt compared to pavement.
45
The human body contains over a billion miles of DNA.
147
A human brain produces as many as 12,000 to 50,000 thoughts per day, depending on how deep a thinker a person is.
23
Flu shots only work about 70% of the time.
18
Your heart beats over 100,000 times a day!
54
During a typical human life span, the human heart will beat approximately 2.5 billion times.
21
When you fall in love, that 'high' feeling is caused by a flood of dopamine that is similar to that of cocaine.
44