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Cucumber slices relieve headaches by tightening blood vessels, reducing blood flow to the area, and relieving pressure.

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Vital signs (blood pressure, temperature, pulse rate, respiration rate) should be taken before any drug administration. Patients should be informed not to use tobacco or caffeine at least 30 minutes before their appointment.

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All adults should have their cholesterol levels checked once every 5 years. During 2009–2010, 69.4% of Americans age 20 and older reported having their cholesterol checked within the last five years.

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In the United States, congenital cytomegalovirus causes one child to become disabled almost every hour. CMV is the leading preventable viral cause of development disability in newborns. These disabilities include hearing or vision loss, and cerebral palsy.

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The ratio of hydrogen atoms to oxygen in water (H2O) is 2:1.

A laboratory experiment verified evaporative cooling by the cicada, Diceroprocta apache A laboratory experiment verified evaporative cooling by the cicada, Diceroprocta apache
A Schematic Description of the Experiment by Misanin, Miller, and Lewis (1968) A Schematic Description of the Experiment by Misanin, Miller, and Lewis (1968)
The engine is rotated until the timing marks on the front of the crankshaft line up with zero ... The engine is rotated until the timing marks on the front of the crankshaft line up with zero ...
Redi Experiment Redi Experiment
Evaluating an experiment (metabolic pathway) Evaluating an experiment (metabolic pathway)
Time Line for Life’s Origin and Evolution Time Line for Life’s Origin and Evolution
Video: Digestive chemicals - types & enzymes

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