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Vaccines prevent between 2.5 and 4 million deaths every year.
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When Gabriel Fahrenheit invented the first mercury thermometer, he called "zero degrees" the lowest temperature he was able to attain with a mixture of ice and salt. For the upper point of his scale, he used 96°, which he measured as normal human body temperature (we know it to be 98.6° today because of more accurate thermometers).
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As many as 20% of Americans have been infected by the fungus known as Histoplasmosis. While most people are asymptomatic or only have slight symptoms, infection can progress to a rapid and potentially fatal superinfection.
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The most common childhood diseases include croup, chickenpox, ear infections, flu, pneumonia, ringworm, respiratory syncytial virus, scabies, head lice, and asthma.
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Signs of depression include feeling sad most of the time for 2 weeks or longer; loss of interest in things normally enjoyed; lack of energy; sleep and appetite disturbances; weight changes; feelings of hopelessness, helplessness, or worthlessness; an inability to make decisions; and thoughts of death and suicide.
Overview of blood flow through vessels in a closed circulatory system.
APPLYING A STERILE GOWN AND PERFORMING CLOSED GLOVING 1
A hapless Taft is entangled in governmental yarn, while a disapproving Roosevelt looks on. “Goodness
Review of Metric Prefixes
Apply effleurage over eyelids. Using very light pressure, stroke the closed eyelids with your thumbs ...