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Since 1988, the CDC has reported a 99% reduction in bacterial meningitis caused by Haemophilus influenzae, due to the introduction of the vaccine against it.

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According to the American College of Allergy, Asthma & Immunology, more than 50 million Americans have some kind of food allergy. Food allergies affect between 4 and 6% of children, and 4% of adults, according to the CDC. The most common food allergies include shellfish, peanuts, walnuts, fish, eggs, milk, and soy.

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Bacteria have been found alive in a lake buried one half mile under ice in Antarctica.

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The heart is located in the center of the chest, with part of it tipped slightly so that it taps against the left side of the chest.

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A serious new warning has been established for pregnant women against taking ACE inhibitors during pregnancy. In the study, the risk of major birth defects in children whose mothers took ACE inhibitors during the first trimester was nearly three times higher than in children whose mothers didn't take ACE inhibitors. Physicians can prescribe alternative medications for pregnant women who have symptoms of high blood pressure.

Two modes of evolutionary change. Two modes of evolutionary change.
Change in American Gender Attitudes, 1977-2006 Over recent decades, views of gender roles have beco Change in American Gender Attitudes, 1977-2006 Over recent decades, views of gender roles have beco
Change Women’s Roles Change Women’s Roles
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Rinse the soap off completely from fingertips to elbows. Water flows off the forearms near the ... Rinse the soap off completely from fingertips to elbows. Water flows off the forearms near the ...
Ice cores: Periods of rapid climate change especially in North Atlantic Ice cores: Periods of rapid climate change especially in North Atlantic
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