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Earwax has antimicrobial properties that reduce the viability of bacteria and fungus in the human ear.
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After a vasectomy, it takes about 12 ejaculations to clear out sperm that were already beyond the blocked area.
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More than 150,000 Americans killed by cardiovascular disease are younger than the age of 65 years.
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The strongest synthetic topical retinoid drug available, tazarotene, is used to treat sun-damaged skin, acne, and psoriasis.
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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.