Your stomach lining replaces itself every few days.
Fact #2645
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The human body glows faintly in complete darkness.
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The human brain continues developing into your mid‑twenties.
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People can survive weeks without food under certain conditions.
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The human brain uses roughly 20% of the body's total energy despite being only 2% of its weight.
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There are more bacteria in your body than human cells.
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About 1 in 2,000 people are born with an extra finger or toe.
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Humans shed about 30,000 to 40,000 dead skin cells every hour.
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