Saliva can act as a painkiller 6 times more powerful than morphine

The human spinal cord is 45 cm long in men and 43 cm long in women

All of the bacteria in our body collectively weighs about 4 pounds

People who suffer from Urbach-Wiethe disease are unable to feel fea

People who suffer from Urbach-Wiethe disease are unable to feel fea

The average human body contains enough fat to produce 7 bars of soap

The tooth is the only part of the human body that cannot heal itself

While sleeping the human sense of smell is switched off by the brain

A hot shower can unblock a stuffy nose and help relieve cold symptoms

The thumbnail grows the slowest and the middle nail grows the fastest

Hypnagogia is the state of not being fully awake but not being asleep

Americans collectively consume 16 thousand tons of aspirin every yea

A fingernail or toenail takes about 6 months to grow from base to tip

One-fourth of the 206 bones in the human body are located in the feet

Sitting on one s wallet too much can actually paralyze a person s leg