In 1844, Charles Goodyear obtained the first patent for a rubber condom.
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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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Pubic lice (crabs) are usually spread through sexual contact. You cannot catch them by using a public toilet.
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For high blood pressure (hypertension), a new class of drug, called a vasopeptidase blocker (inhibitor), has been developed. It decreases blood pressure by simultaneously dilating the peripheral arteries and increasing the body's loss of salt.
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Although puberty usually occurs in the early teenage years, the world's youngest parents were two Chinese children who had their first baby when they were 8 and 9 years of age.
Teachers
Many former slaves understood that illiteracy was an implement of bondage. The Freedmen’s Bureau bui
Parents who grew up in dual-earner families are more apt to share household tasks equally than those ...
It is important that parents repeat safety rules to preschoolers and monitor compliance with rules.
Foundations of American Education: Becoming Effective Teachers in Challenging Times
The phenotypes and genotypes of the parents (P1) and the offspring (F1) in a cross involving seed sh