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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).

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Approximately 15–25% of recognized pregnancies end in miscarriage. However, many miscarriages often occur before a woman even knows she is pregnant.

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A headache when you wake up in the morning is indicative of sinusitis. Other symptoms of sinusitis can include fever, weakness, tiredness, a cough that may be more severe at night, and a runny nose or nasal congestion.

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On average, someone in the United States has a stroke about every 40 seconds. This is about 795,000 people per year.

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The tallest man ever known was Robert Wadlow, an American, who reached the height of 8 feet 11 inches. He died at age 26 years from an infection caused by the immense weight of his body (491 pounds) and the stress on his leg bones and muscles.

Evolutionary adaptation to a new environment via natural selection. Evolutionary adaptation to a new environment via natural selection.
Traditional animal phylogeny based on body plans. Traditional animal phylogeny based on body plans.
The form and orientation of desert plants reduces heat gain from the environment and facilitates coo The form and orientation of desert plants reduces heat gain from the environment and facilitates coo
Managing large bands of grazing animals requires detailed knowledge of local landscapes, especially Managing large bands of grazing animals requires detailed knowledge of local landscapes, especially
Facility Emergency Response Plans. Courtesy of Chris Weber, Dr. Hazmat, Inc. Facility Emergency Response Plans. Courtesy of Chris Weber, Dr. Hazmat, Inc.
Testing Infants’ Knowledge Testing Infants’ Knowledge
Video: Allergic Rhinitis

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