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In 1844, Charles Goodyear obtained the first patent for a rubber condom.

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Patients who have been on total parenteral nutrition for more than a few days may need to have foods gradually reintroduced to give the digestive tract time to start working again.

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Vaccines cause herd immunity. If the majority of people in a community have been vaccinated against a disease, an unvaccinated person is less likely to get the disease since others are less likely to become sick from it and spread the disease.

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Congestive heart failure is a serious disorder that carries a reduced life expectancy. Heart failure is usually a chronic illness, and it may worsen with infection or other physical stressors.

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Each year in the United States, there are approximately six million pregnancies. This means that at any one time, about 4% of women in the United States are pregnant.

Meningocele. (a) A meningocele is a herniation of the meninges, usually associated with the spinal c Meningocele. (a) A meningocele is a herniation of the meninges, usually associated with the spinal c
Jane Goodall pioneered the modern approach to studying primates in the wild, involving close-up obse Jane Goodall pioneered the modern approach to studying primates in the wild, involving close-up obse
People whose behaviors violate norms are often called mentally ill. “Why else would they do such ... People whose behaviors violate norms are often called mentally ill. “Why else would they do such ...
Pus-forming infection. Such infections occur more frequently in individuals with immunoglobulin ... Pus-forming infection. Such infections occur more frequently in individuals with immunoglobulin ...
Cretinism can result in a child born to a mother who was iodine deficient during early pregnancy Cretinism can result in a child born to a mother who was iodine deficient during early pregnancy
Collage of people showing emotions Collage of people showing emotions
Video: Male Reproductive System - Testosterone

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