Uncategorized
- 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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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.
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Biodiversity may lessen Lyme disease
A survey of Lyme disease rates suggests that a greater diversity of small mammals and lizards may help keep the rates down.
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Old lemming puzzle gets new answer
A novel analysis suggests food supply variations as the answer to the decades-old puzzle of what makes lemming populations boom and bust.
