There are more nerve cells in one human brain than there are stars in the Milky Way.
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Most strokes are caused when blood clots move to a blood vessel in the brain and block blood flow to that area. Thrombolytic therapy can be used to dissolve the clot quickly. If given within 3 hours of the first stroke symptoms, this therapy can help limit stroke damage and disability.
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The shortest mature adult human of whom there is independent evidence was Gul Mohammed in India. In 1990, he was measured in New Delhi and stood 22.5 inches tall.
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If you could remove all of your skin, it would weigh up to 5 pounds.
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In most cases, kidneys can recover from almost complete loss of function, such as in acute kidney (renal) failure.