The human brain has the capacity to store everything that you experience.
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Enamel is hardest substance in the human body.
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After age 30, the brain begins to lose about 50,000 neurons per day - shrinking the brain .25% each year.
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Poor eyesight (myopia) is associated with higher IQ.
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Every year your body replaces 98% of your atoms.
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The human brain uses approximately as much energy as a 10 watt light bulb.
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The human brain doesn't stop developing until about 25 years old.
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