Sleep-deprived people are more sensitive to positive rewards, but less to negative consequences, hence more prone to making risky decisions.

A popular slang in Danish for having your period is “Der er kommunister i lysthuset,” meaning there are communists in the funhouse.

Broken hearts hurt because when dealing with social pain such as being dumped, two areas of the brain that respond to physical pain also activate.

Dentists have recommended that a toothbrush be kept at least six (6) feet away from a toilet to avoid airborne particles resulting from the flush.

Gas created due to decomposition after death could create enough pressure for a decomposing pregnant woman to expel the fetus, known as coffin birth.

Everyone’s belly button ecology is unique like a fingerprint. Scientists found 1,458 new species of bacteria living in the belly button in 2012.

By the age of 60, most people will have lost about half their taste buds. Perhaps you shouldn’t trust your grandma’s cooking as much as you do.

Dalhousie University in Canada has installed a puppy room to help stressed-out students. Playing with pet lowers blood pressure and can ward off depression.

James Harrison, a man whose blood contains a rare antigen that can cure Rhesus disease, has donated a record of over 1000 times and saved almost 2 million lives.

To prove that stomach ulcers were caused by bacteria and not stress, Barry Marshall drank bacterium, developed stomach ulcers, and won the Nobel Prize in Medicine.

Nails and hair do not continue to grow after we die. They do appear longer when we die, however, as the skin dehydrates and pulls back from the nail beds and scalp.

One of the main reasons we have summer vacations was that in urban areas, schools feared spread of disease in hot, crowded schoolrooms and gave children summers off.

Laughing lowers levels of stress hormones and strengthens the immune system. Six-year-olds laugh an average of 300 times a day. Adults only laugh 15 to 100 times a day.

The width of your armspan stretched out is the length of your whole body. While not exact down to the last millimeter, your armspan is a pretty good estimator of your height.

Research indicates that shopping has a direct effect on the brain’s pleasure centers. It can flood the brain with dopamine, similar to the way a drug addict experiences a fix.