Redheads require up to 20% more anesthesia to be knocked out.
112
Intelligent people have more zinc and copper in their hair.
233
One human hair can support 3 ounces.
191
In 1996, research found that having excessive body hair is linked to higher intelligence.
23
A human being loses an average of 40 to 100 strands of hair a day.
133
Only 2% of the worlds population is blonde.
15
Ancient Greeks believed that redheads turned into vampires after they died.
40