The human brain is insensitive to pain.
76
A man once sued his doctor because he survived his cancer longer than the doctor predicted.
74
The average tastebud lives only 10 days before it dies and is replaced by a new one.
15
Bearing a male child can alter a woman's brain by leaving male DNA that can persist for the rest of her life, making her less likely to suffer from Alzheimer's disease, promote tissue repair, and improve her immune system.
16
Fingernails grow nearly 4 times faster than toenails.
31
Most dreams last only 5 to 20 minutes.
79
Pain travels through your body at 350 ft. per second.
36