Vaccines prevent between 2.5 and 4 million deaths every year.
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There are more nerve cells in one human brain than there are stars in the Milky Way.
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About 100 new prescription or over-the-counter drugs come into the U.S. market every year.
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A seasonal flu vaccine is the best way to reduce the chances you will get seasonal influenza and spread it to others.
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Nitroglycerin is used to alleviate various heart-related conditions, and it is also the chief component of dynamite (but mixed in a solid clay base to stabilize it).
insect's compound eye, revealing photoreceptor cells, support cells and pigment cells
(A) Closed (or simple) fracture and (B) open (or compound) fracture.
Open, or compound The fracture projects through the skin and there is a possibility of infection or
House Compound in Sirigu
Identify the variable representing each described quantity in the equation