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The longest a person has survived after a heart transplant is 24 years.

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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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In 1844, Charles Goodyear obtained the first patent for a rubber condom.

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In 1886, William Bates reported on the discovery of a substance produced by the adrenal gland that turned out to be epinephrine (adrenaline). In 1904, this drug was first artificially synthesized by Friedrich Stolz.

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Most fungi that pathogenically affect humans live in soil. If a person is not healthy, has an open wound, or is immunocompromised, a fungal infection can be very aggressive.

Over nearly 30 years, humans removed many polar bears for a variety of reasons, from a population in Over nearly 30 years, humans removed many polar bears for a variety of reasons, from a population in
Everyday situations sometimes present opportunities for children to build information processing ... Everyday situations sometimes present opportunities for children to build information processing ...
Websites that Provide Reliable Health Information Websites that Provide Reliable Health Information
When a Tornado Strikes: Social Organization Following a Natural Disaster When a Tornado Strikes: Social Organization Following a Natural Disaster
The CAMEO entry for chlorine. Useful information includes chemical and physical properties, personal ... The CAMEO entry for chlorine. Useful information includes chemical and physical properties, personal ...
An overview of the levels of organization in nature An overview of the levels of organization in nature
Video: Integumentary Anatomy

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