After age 30, the brain shrinks a quarter of a percent (0.25%) in mass each year.
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The brain can stay alive for 4 to 6 minutes without oxygen. After that cells begin die.
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On average, someone in the US suffers a stroke every 40 seconds; someone dies every 3 minutes from stroke.
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Brain freeze is caused by the brain sensing the drop of temperature on your palate and increasing blood pressure in an attempt to save you from freezing.
14
Putting sugar on a wound or cut will greatly reduce pain and speed up the healing process.
25
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
Pain travels through the body at 350 feet per second!
23
Every time you lick a stamp, you're consuming 1/10 of a calorie!
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