After a vasectomy, it takes about 12 ejaculations to clear out sperm that were already beyond the blocked area.
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In most cases, kidneys can recover from almost complete loss of function, such as in acute kidney (renal) failure.
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Nitroglycerin is used to alleviate various heart-related conditions, and it is also the chief component of dynamite (but mixed in a solid clay base to stabilize it).
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Anti-aging claims should not ever be believed. There is no supplement, medication, or any other substance that has been proven to slow or stop the aging process.
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Between 1999 and 2012, American adults with high total cholesterol decreased from 18.3% to 12.9%
. Collagen (Mr 300,000) is a rod-shaped molecule, about 3,000 Å
Paternity Determination by Blood Type
Action of type I and type II topoisomerases, as shown by gel electrophoresis
Single nucleotide polymorphisms (SNPs) are shown in red