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In 2012, nearly 24 milliion Americans, aged 12 and older, had abused an illicit drug, according to the National Institute on Drug Abuse (NIDA).

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

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The human body produces and destroys 15 million blood cells every second.

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Dogs have been used in studies to detect various cancers in human subjects. They have been trained to sniff breath samples from humans that were collected by having them breathe into special tubes. These people included 55 lung cancer patients, 31 breast cancer patients, and 83 cancer-free patients. The dogs detected 54 of the 55 lung cancer patients as having cancer, detected 28 of the 31 breast cancer patients, and gave only three false-positive results (detecting cancer in people who didn't have it).

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Before a vaccine is licensed in the USA, the Food and Drug Administration (FDA) reviews it for safety and effectiveness. The CDC then reviews all studies again, as well as the American Academy of Pediatrics and the American Academy of Family Physicians. Every lot of vaccine is tested before administration to the public, and the FDA regularly inspects vaccine manufacturers' facilities.

A child having a seizure is gently assisted to the floor and placed in a sidelying position. A child having a seizure is gently assisted to the floor and placed in a sidelying position.
Pupil assessment; B, moving penlight directly in front of pupil. Pupil assessment; B, moving penlight directly in front of pupil.
Apply effleurage to face with palms. Place the hands gently on the face with fingertips at the jaw. ... Apply effleurage to face with palms. Place the hands gently on the face with fingertips at the jaw. ...
Circular petrissage to forehead. Use the thumbs moving in counterclockwise circles. The movement is ... Circular petrissage to forehead. Use the thumbs moving in counterclockwise circles. The movement is ...
Apply lotion to the entire hand and arm, moving up the arm from hand to shoulder. Use moderate ... Apply lotion to the entire hand and arm, moving up the arm from hand to shoulder. Use moderate ...
Kacey Musgraves - Slow Burn (Official Audio Video) Kacey Musgraves - Slow Burn (Official Audio Video)
Video: Neuron structure and function - sensory neurons, association neurons & motor neurons

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