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As many as 20% of Americans have been infected by the fungus known as Histoplasmosis. While most people are asymptomatic or only have slight symptoms, infection can progress to a rapid and potentially fatal superinfection.
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Increased intake of vitamin D has been shown to reduce fractures up to 25% in older people.
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Immunoglobulin injections may give short-term protection against, or reduce severity of certain diseases. They help people who have an inherited problem making their own antibodies, or those who are having certain types of cancer treatments.
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In 1864, the first barbiturate (barbituric acid) was synthesized.
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Aspirin is the most widely used drug in the world. It has even been recognized as such by the Guinness Book of World Records.