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This year, an estimated 1.4 million Americans will have a new or recurrent heart attack.
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Adult head lice are gray, about ? inch long, and often have a tiny dot on their backs. A female can lay between 50 and 150 eggs within the several weeks that she is alive. They feed on human blood.
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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 types of cancer that alpha interferons are used to treat include hairy cell leukemia, melanoma, follicular non-Hodgkin's lymphoma, and AIDS-related Kaposi's sarcoma.
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Asthma cases in Americans are about 75% higher today than they were in 1980.
![Nebulizer. The nebulizer converts a liquid medication to a mist that is easily inhaled. A face mask,](https://biology-forums.com/gallery/47/medium_14755_11_11_12_7_25_46_100642210.jpeg)
![Results from sequential study of two cohorts tested at three ages and at three different points in t](https://biology-forums.com/gallery/47/medium_6_31_05_15_8_20_43_219751572.jpeg)