Human neurons are so small that they require a microscope in order to be seen. However, some neurons can be up to 3 feet long, such as those that extend from the spinal cord to the toes.
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There are over 65,000 known species of protozoa. About 10,000 species are parasitic.
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Atropine, along with scopolamine and hyoscyamine, is found in the Datura stramonium plant, which gives hallucinogenic effects and is also known as locoweed.
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After 5 years of being diagnosed with rheumatoid arthritis, one every three patients will no longer be able to work.
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More than 4.4billion prescriptions were dispensed within the United States in 2016.