Oliver Wendell Holmes is credited with introducing the words "anesthesia" and "anesthetic" into the English language in 1846.
Did you know?
There are over 65,000 known species of protozoa. About 10,000 species are parasitic.
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Most childhood vaccines are 90–99% effective in preventing disease. Side effects are rarely serious.
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Approximately 70% of expectant mothers report experiencing some symptoms of morning sickness during the first trimester of pregnancy.
Did you know?
Liver spots have nothing whatsoever to do with the liver. They are a type of freckles commonly seen in older adults who have been out in the sun without sufficient sunscreen.
Food Chain
potassium
Sources and Types of Air Pollution
Food Additives Can Help Keep Your Foods Safe and Healthy
What is the concentration, in mg/ml, of a solution containing 2mEq/ml of potassium chloride?