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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.
There are more nerve cells in one human brain than there are stars in the Milky Way.
Amphetamine poisoning can cause intravascular coagulation, circulatory collapse, rhabdomyolysis, ischemic colitis, acute psychosis, hyperthermia, respiratory distress syndrome, and pericarditis.
Bacteria have been found alive in a lake buried one half mile under ice in Antarctica.
After a vasectomy, it takes about 12 ejaculations to clear out sperm that were already beyond the blocked area.