The lense of the eye continues to grow throughout a person's life.
34
Deep Breathing gives you health benefits similar to aerobics.
39
It takes about 20 seconds for a red blood cell to circle the whole body.
102
A hard working adult sweats up to 4 gallons per day. Most of the sweat evaporates before a person realizes it's there, though!
25
You can reschedule your sleeping pattern by not eating 12-16 hours before you want to be awake. Upon eating after this time period, your internal clock will reset to a new day, with the time of your first meal being interpreted as "morning".
11
The levels of two stress hormones, cortisol and epinephrine which suppress the body's immune system, will actually drop after a dose of laughter.
112
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
The male fetus is capable of attaining an erection during the last trimester.
75