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Ether was used widely for surgeries but became less popular because of its flammability and its tendency to cause vomiting. In England, it was quickly replaced by chloroform, but this agent caused many deaths and lost popularity.

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Between 1999 and 2012, American adults with high total cholesterol decreased from 18.3% to 12.9%

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The first successful kidney transplant was performed in 1954 and occurred in Boston. A kidney from an identical twin was transplanted into his dying brother's body and was not rejected because it did not appear foreign to his body.

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In ancient Rome, many of the richer people in the population had lead-induced gout. The reason for this is unclear. Lead poisoning has also been linked to madness.

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The familiar sounds of your heart are made by the heart's valves as they open and close.

Active and passive immunity Active and passive immunity
Listening to loud music with headphones or at rock concerts is a frequent cause of hearing loss amon Listening to loud music with headphones or at rock concerts is a frequent cause of hearing loss amon
How difficult is it for children to learn to speak two languages? How difficult is it for children to learn to speak two languages?
Listening to the fetal heartbeat with a Doppler device. Listening to the fetal heartbeat with a Doppler device.
Apply passive touch on the shoulder and hip. Stand in back and place one hand on the shoulder and ... Apply passive touch on the shoulder and hip. Stand in back and place one hand on the shoulder and ...
Turn the baby over and end with passive touch on the head. Gently hold the baby’s head and look ... Turn the baby over and end with passive touch on the head. Gently hold the baby’s head and look ...
Video: Fertilization and Development

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