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There are more nerve cells in one human brain than there are stars in the Milky Way.
Drying your hands with a paper towel will reduce the bacterial count on your hands by 45–60%.
As many as 28% of hospitalized patients requiring mechanical ventilators to help them breathe (for more than 48 hours) will develop ventilator-associated pneumonia. Current therapy involves intravenous antibiotics, but new antibiotics that can be inhaled (and more directly treat the infection) are being developed.
Human stomach acid is strong enough to dissolve small pieces of metal such as razor blades or staples.
Adults are resistant to the bacterium that causes Botulism. These bacteria thrive in honey – therefore, honey should never be given to infants since their immune systems are not yet resistant.