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Did you know?

Most childhood vaccines are 90–99% effective in preventing disease. Side effects are rarely serious.

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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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The newest statin drug, rosuvastatin, has been called a superstatin because it appears to reduce LDL cholesterol to a greater degree than the other approved statin drugs.

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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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Sperm cells are so tiny that 400 to 500 million (400,000,000–500,000,000) of them fit onto 1 tsp.

Dermatomes of the body. Dermatomes of the body.
Fast food effects on body Fast food effects on body
Calipers being used to measure body fat on the triceps of a patient. Calipers being used to measure body fat on the triceps of a patient.
The effects of alcoholism on the body systems. The effects of alcoholism on the body systems.
Fuel lines are routed along the frame or body and secured with clips. Fuel lines are routed along the frame or body and secured with clips.
Water as Part of Body Fluids Water as Part of Body Fluids
Video: The Lac Operon in E. Coli

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