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The Food and Drug Administration has approved Risperdal, an adult antipsychotic drug, for the symptomatic treatment of irritability in children and adolescents with autism. The approval is the first for the use of a drug to treat behaviors associated with autism in children. These behaviors are included under the general heading of irritability and include aggression, deliberate self-injury, and temper tantrums.

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Approximately one in three babies in the United States is now delivered by cesarean section. The number of cesarean sections in the United States has risen 46% since 1996.

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Although the Roman numeral for the number 4 has always been taught to have been "IV," according to historians, the ancient Romans probably used "IIII" most of the time. This is partially backed up by the fact that early grandfather clocks displayed IIII for the number 4 instead of IV. Early clockmakers apparently thought that the IIII balanced out the VIII (used for the number 8) on the clock face and that it just looked better.

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There are approximately 3 million unintended pregnancies in the United States each year.

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Stroke kills people from all ethnic backgrounds, but the people at highest risk for fatal strokes are: black men, black women, Asian men, white men, and white women.

Formed elements of blood: erythrocytes, leukocytes (neutrophils, eosinophils, basophils, lymphocytes Formed elements of blood: erythrocytes, leukocytes (neutrophils, eosinophils, basophils, lymphocytes
The cells in blood; A, red blood cells (erythrocytes); B, platelets (thrombocytes); C, white blood c The cells in blood; A, red blood cells (erythrocytes); B, platelets (thrombocytes); C, white blood c
A comparison of (a) uniform, cup-shaped, normal erythrocytes A comparison of (a) uniform, cup-shaped, normal erythrocytes
Erythrocytes. Erythrocytes.
Microcytic, hypochromic erythrocytes. Microcytic, hypochromic erythrocytes.
Erythrocytes in sickle-cell disease Erythrocytes in sickle-cell disease
Video: Coronary Heart Disease

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