* Curvy hips indicate smart women who will deliver intelligent children. *
* On average, someone in the US suffers a stroke every 40 seconds; someone dies every 3 minutes from stroke. *
* Brain scans show that people who view photos of a beloved experience an activation of the caudate - the part of the brain involving cravings. *
* After age 30, the brain shrinks a quarter of a percent (0.25%) in mass each year. *
* 10 seconds is the amount of time until unconsciousness after the loss of blood supply to the brain. *
* The brain can stay alive for 4 to 6 minutes without oxygen. After that cells begin die. *
* A man's beard grows fastest when he anticipates sex. *
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