Your heart rate can rise as much as 30% during a yawn.
69
It is possible to go blind from smoking too heavily.
50
Falling in love raises levels of nerve growth in a person's brain for about a year and can improve their memory.
39
A person will burn 7 percent more calories if they walk on hard dirt compared to pavement.
45
According to one report, it would take 800 marijuana joints to kill a person - but the cause of death would be carbon monoxide poisoning.
176
Coughing can cause air to move through your windpipe faster than the speed of sound - over a thousand feet per second!
197
Foreign accent syndrome is a rare brain disorder which causes people to speak in a foreign accent involuntarily.
15
According to a study conducted by the University of South Carolina, Marijuana can be used to reduce inflammation and treat autoimmune diseases such as arthritis, lupus, colitis, and multiple sclerosis.
25