Prostaglandins were first isolated from human semen in Sweden in the 1930s. They were so named because the researcher thought that they came from the prostate gland. In fact, prostaglandins exist and are synthesized in almost every cell of the body.
Did you know?
This year, an estimated 1.4 million Americans will have a new or recurrent heart attack.
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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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There are more nerve cells in one human brain than there are stars in the Milky Way.
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The ratio of hydrogen atoms to oxygen in water (H2O) is 2:1.
Estimated Daily Protein Needs
Selected Drug–Food and Drug–Herbal Interactions
Accumulation of toxicants over time and up the food chain
Major Food Sources of Saturated and Trans Fats for Americans