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Bacteria have flourished on the earth for over three billion years. They were the first life forms on the planet.
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There are immediate benefits of chiropractic adjustments that are visible via magnetic resonance imaging (MRI). It shows that spinal manipulation therapy is effective in decreasing pain and increasing the gaps between the vertebrae, reducing pressure that leads to pain.
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The immune system needs 9.5 hours of sleep in total darkness to recharge completely.
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In most cases, kidneys can recover from almost complete loss of function, such as in acute kidney (renal) failure.
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After a vasectomy, it takes about 12 ejaculations to clear out sperm that were already beyond the blocked area.