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).
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People about to have surgery must tell their health care providers about all supplements they take.
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Today, nearly 8 out of 10 pregnant women living with HIV (about 1.1 million), receive antiretrovirals.
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More than 2,500 barbiturates have been synthesized. At the height of their popularity, about 50 were marketed for human use.
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Blood is approximately twice as thick as water because of the cells and other components found in it.
Some amazing roles of water in biology
Amazing NASA Pictures Collection
Amazing NASA Pictures Collection
Amazing NASA Pictures Collection
Frederick Douglass, having escaped from slavery in 1836, attracted large audiences as an antislavery