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Only 12 hours after an egg cell is fertilized by a sperm cell, the egg cell starts to divide. As it continues to divide, it moves along the fallopian tube toward the uterus at about 1 inch per day.

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Elderly adults are at greatest risk of stroke and myocardial infarction and have the most to gain from prophylaxis. Patients ages 60 to 80 years with blood pressures above 160/90 mm Hg should benefit from antihypertensive treatment.

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Medication errors are three times higher among children and infants than with adults.

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The senior population grows every year. Seniors older than 65 years of age now comprise more than 13% of the total population. However, women outlive men. In the 85-and-over age group, there are only 45 men to every 100 women.

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Fungal nail infections account for up to 30% of all skin infections. They affect 5% of the general population—mostly people over the age of 70.

The threespine stickleback (Gasterosteus aculeatus) has been used as a model organism for the study The threespine stickleback (Gasterosteus aculeatus) has been used as a model organism for the study
Aerial photo showing the placement of 24 study plots, each 50 m by 50 m, in the Chihuahuan Desert ne Aerial photo showing the placement of 24 study plots, each 50 m by 50 m, in the Chihuahuan Desert ne
Diverticulosis. Figure illustrates external and internal appearance of diverticula. Diverticulosis. Figure illustrates external and internal appearance of diverticula.
The research methods that sociologists choose depend partially on the questions they want to answer. ... The research methods that sociologists choose depend partially on the questions they want to answer. ...
Functional magnetic resonance image (fMRI). This image illustrates the areas of cortex that became ... Functional magnetic resonance image (fMRI). This image illustrates the areas of cortex that became ...
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