Asthma cases in Americans are about 75% higher today than they were in 1980.
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Multiple sclerosis is a condition wherein the body's nervous system is weakened by an autoimmune reaction that attacks the myelin sheaths of neurons.
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The horizontal fraction bar was introduced by the Arabs.
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Women are two-thirds more likely than men to develop irritable bowel syndrome. This may be attributable to hormonal changes related to their menstrual cycles.
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In the United States, an estimated 50 million unnecessary antibiotics are prescribed for viral respiratory infections.
Astronaut Piers Sellers during the third spacewalk of STS-121, a demonstration of orbiter heat shiel
A gasoline testing kit, including an insulated container where water at 100°F is used to heat a ...
Earth’s Heat Budget
Apply the heat source, and ask for immediate feedback on the heat intensity felt by the recipient. ...