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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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Once thought to have neurofibromatosis, Joseph Merrick (also known as "the elephant man") is now, in retrospect, thought by clinical experts to have had Proteus syndrome. This endocrine disease causes continued and abnormal growth of the bones, muscles, skin, and so on and can become completely debilitating with severe deformities occurring anywhere on the body.

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According to the FDA, adverse drug events harmed or killed approximately 1,200,000 people in the United States in the year 2015.

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The National Institutes of Health have supported research into acupuncture. This has shown that acupuncture significantly reduced pain associated with osteoarthritis of the knee, when used as a complement to conventional therapies.

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Pubic lice (crabs) are usually spread through sexual contact. You cannot catch them by using a public toilet.

Electron micrographs of a cellular membrane. Electron micrographs of a cellular membrane.
NAD+ as an electron shuttle. NAD+ as an electron shuttle.
How noncyclic electron flow during the light reactions generates ATP and NADPH. How noncyclic electron flow during the light reactions generates ATP and NADPH.
Insects Under the Electron Microscope Insects Under the Electron Microscope
Scorpions, Spiders and Sharks: Electron-Microscope Images Scorpions, Spiders and Sharks: Electron-Microscope Images
Chromosomes as captured via electron micrograph Chromosomes as captured via electron micrograph
Video: Neural regulation of blood pressure - baroreceptor and chemoreceptor reflexes

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