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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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The lipid bilayer is made of phospholipids. They are arranged in a double layer because one of their ends is attracted to water while the other is repelled by water.

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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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When taking monoamine oxidase inhibitors, people should avoid a variety of foods, which include alcoholic beverages, bean curd, broad (fava) bean pods, cheese, fish, ginseng, protein extracts, meat, sauerkraut, shrimp paste, soups, and yeast.

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Earwax has antimicrobial properties that reduce the viability of bacteria and fungus in the human ear.

The arrangement of the external eye muscles: (A) lateral and (B) anterior views. The arrangement of the external eye muscles: (A) lateral and (B) anterior views.
Young Circumstellar Disks of Matter Young Circumstellar Disks of Matter
Injecting the ventrogluteal muscle. Injecting the ventrogluteal muscle.
Stripping along flexor and extensor muscles with your thumb from attachments at wrist to elbow. Stripping along flexor and extensor muscles with your thumb from attachments at wrist to elbow.
Anterior view of muscles of the human body Anterior view of muscles of the human body
Cardiac cycle Cardiac cycle
Video: The Pressure Flow Model in a Plant

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