The most destructive disease is malaria. More than 1.5 million people die from malaria every year.
The record for the longest period without sleep is 18 days, 21 hours, 40 minutes during a rocking chair marathon. The record holder reported hallucinations, paranoia, blurred vision, slurred speech and memory and concentration lapses.
More Humans Facts
The skin of the armpits can harbor up to 516,000 bacteria per square inch, while drier areas, such as the forearms, have only about 13,000 bacteria per square inch on them.
On average people fear spiders more than they do death.