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  1. Health & Medicine

    New tests may catch bicyclers on dope

    Two new tests, on blood and urine, detect the presence of synthetic erythropoietin, a drug that boosts red blood cell counts and enhances stamina.

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  2. Health & Medicine

    Did colonization spread ulcers?

    A comparison of strains of Helicobacter pylori, the bacterium that causes ulcers, suggests that colonists brought it to the New World.

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  3. 19169

    In this article you mention that Lyme disease is the most common “insect-borne” disease in the United States. Since Lyme disease is spread by ticks, and ticks have eight legs and are arachnids, Lyme disease is not insect-borne. Anne Van Aller Woodbine, Md.