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Author Question: How is ozone produced in the upper atmosphere? A) It forms by reaction of oxygen molecules with ... (Read 61 times) |
Blood in the urine can be a sign of a kidney stone, glomerulonephritis, or other kidney problems.
There are 20 feet of blood vessels in each square inch of human skin.
There are approximately 3 million unintended pregnancies in the United States each year.
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.
Giardia is one of the most common intestinal parasites worldwide, and infects up to 20% of the world population, mostly in poorer countries with inadequate sanitation. Infections are most common in children, though chronic Giardia is more common in adults.