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Oliver Wendell Holmes is credited with introducing the words "anesthesia" and "anesthetic" into the English language in 1846.

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Hyperthyroidism leads to an increased rate of metabolism and affects about 1% of women but only 0.1% of men. For most people, this increased metabolic rate causes the thyroid gland to become enlarged (known as a goiter).

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Hippocrates noted that blood separates into four differently colored liquids when removed from the body and examined: a pure red liquid mixed with white liquid material with a yellow-colored froth at the top and a black substance that settles underneath; he named these the four humors (for blood, phlegm, yellow bile, and black bile).

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The most common treatment options for addiction include psychotherapy, support groups, and individual counseling.

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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.

One type of safety needle withdraws into a protective sheath when the injection is complete. One type of safety needle withdraws into a protective sheath when the injection is complete.
Patient diagnosed with type 2 diabetes mellitus. Periodontal examination revealed deep periodontal ... Patient diagnosed with type 2 diabetes mellitus. Periodontal examination revealed deep periodontal ...
Structure of a complex of a type II DNA methylase with DNA Structure of a complex of a type II DNA methylase with DNA
Type of pathogen organism Type of pathogen organism
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Calculation of the probabilities in a mating involving the ABO blood type Calculation of the probabilities in a mating involving the ABO blood type
Video: The Pressure Flow Model in a Plant

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