The record for the longest scientifically documented period without sleep is 264.4 hours (eleven days).
15
After age 30, the brain shrinks a quarter of a percent (0.25%) in mass each year.
139
The Internal Revenue Service audits 87 percent of women who claim breast implants as tax deductions.
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The human brain is more active during sleep than during the day.
28
It takes about 20 seconds for a red blood cell to circle the whole body.
102
You can alleviate a tickly throat by scratching your ear.
9
After age 30, the brain begins to lose about 50,000 neurons per day - shrinking the brain .25% each year.
55