It takes about 20 seconds for a red blood cell to circle the whole body.
102
20 minutes after smoking a cigarette, blood pressure drops to normal.
37
Falling in love raises levels of nerve growth in a person's brain for about a year and can improve their memory.
39
Every time you sneeze some of your brain cells die.
113
Dating back to the 1600's, thermometers were filled with Brandy instead of mercury.
16
The average person who stops smoking requires one hour less sleep a night.
79
Male hospital patients fall out of bed twice as often as female hospital patients.
71
Every cigarette smoked cuts at least five minutes of life on average, which is roughly the time it takes to smoke one cigarette.
118