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The first documented use of surgical anesthesia in the United States was in Connecticut in 1844.

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According to the American College of Allergy, Asthma & Immunology, more than 50 million Americans have some kind of food allergy. Food allergies affect between 4 and 6% of children, and 4% of adults, according to the CDC. The most common food allergies include shellfish, peanuts, walnuts, fish, eggs, milk, and soy.

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After 5 years of being diagnosed with rheumatoid arthritis, one every three patients will no longer be able to work.

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Stroke kills people from all ethnic backgrounds, but the people at highest risk for fatal strokes are: black men, black women, Asian men, white men, and white women.

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Walt Disney helped combat malaria by making an animated film in 1943 called The Winged Scourge. This short film starred the seven dwarfs and taught children that mosquitos transmit malaria, which is a very bad disease. It advocated the killing of mosquitos to stop the disease.

Common sites of amputation. (A) Upper extremities. (B) Lower extremities. The surgeon determines th Common sites of amputation. (A) Upper extremities. (B) Lower extremities. The surgeon determines th
Likelihood of Developing Type 2 Diabetes Mellitus Based on BMI Likelihood of Developing Type 2 Diabetes Mellitus Based on BMI
Using a water-based cleaning system helps reduce the hazards from using strong chemicals. Using a water-based cleaning system helps reduce the hazards from using strong chemicals.
Forms of Condensation Forms of Condensation
Common Root Words and Combining Forms Cont. Common Root Words and Combining Forms Cont.
Vision-based Magnetic Compass in European Robins Vision-based Magnetic Compass in European Robins
Video: Neuron Structure Animation

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