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

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Malaria was not eliminated in the United States until 1951. The term eliminated means that no new cases arise in a country for 3 years.

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In 1844, Charles Goodyear obtained the first patent for a rubber condom.

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Studies show that systolic blood pressure can be significantly lowered by taking statins. In fact, the higher the patient's baseline blood pressure, the greater the effect of statins on his or her blood pressure.

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Stevens-Johnson syndrome and Toxic Epidermal Necrolysis syndrome are life-threatening reactions that can result in death. Complications include permanent blindness, dry-eye syndrome, lung damage, photophobia, asthma, chronic obstructive pulmonary disease, permanent loss of nail beds, scarring of mucous membranes, arthritis, and chronic fatigue syndrome. Many patients' pores scar shut, causing them to retain heat.

Mouse with human liver cells Mouse with human liver cells
Blood Cells Blood Cells
Model for cleavage and polyadenylation of pre-mRNAs in mammalian cells Model for cleavage and polyadenylation of pre-mRNAs in mammalian cells
T cells bound to fluorescence-tagged antibodies to two cell-surface proteins are T cells bound to fluorescence-tagged antibodies to two cell-surface proteins are
Red blood cells with normal hemoglobin, like the three similar ones, are smooth and round Red blood cells with normal hemoglobin, like the three similar ones, are smooth and round
Red Blood Cells Red Blood Cells
Video: Structures that affect circulation - kidneys, blood volume and venous tone

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