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Fewer than 10% of babies are born on their exact due dates, 50% are born within 1 week of the due date, and 90% are born within 2 weeks of the date.

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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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Vaccines cause herd immunity. If the majority of people in a community have been vaccinated against a disease, an unvaccinated person is less likely to get the disease since others are less likely to become sick from it and spread the disease.

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Warfarin was developed as a consequence of the study of a strange bleeding disorder that suddenly occurred in cattle on the northern prairies of the United States in the early 1900s.

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The toxic levels for lithium carbonate are close to the therapeutic levels. Signs of toxicity include fine hand tremor, polyuria, mild thirst, nausea, general discomfort, diarrhea, vomiting, drowsiness, muscular weakness, lack of coordination, ataxia, giddiness, tinnitus, and blurred vision.

Habitat corridor found in Banff National Park. Habitat corridor found in Banff National Park.
Palpating the Hand Joints, Interphalangeal Joint Palpating the Hand Joints, Interphalangeal Joint
Joints of the right Elbow Joints of the right Elbow
Anatomically modern humans from the Israeli cave sites of Skhul and Qafzeh may be the earliest found Anatomically modern humans from the Israeli cave sites of Skhul and Qafzeh may be the earliest found
Bilateral psoriasis on a patient’s knees. Bilateral psoriasis on a patient’s knees.
Types of supercoiling found in chromosomes Types of supercoiling found in chromosomes
Video: Acid-base imbalances - respiratory acidosis and alkalosis

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