Word: permethrin
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...into a flashlight whose brightness can be adjusted for use as a night-light or reading lamp. Don't Bug Me Insect repellents can be sticky or stinky. How about a shirt that keeps pesky pests away? Ex Officio's Buzz Off shirts, $22 and up, are made with permethrin, the same insecticide used in long-lasting antimalaria bed nets. Titan Tent Sales of big car-camping tents are up 117% over the past three years. The new three-person, two-door Mutha Hubba, $380 from Mountain Safety Research, is both spacious (3.7 sq m of floor space) and lightweight...
...Insect repellents can be sticky or stinky. How about a shirt that keeps pesky pests away? Ex Officio's Buzz Off shirts, $22 and up, are made with permethrin, the same insecticide used in long-lasting antimalaria bed nets...
Dangerous malaria-carrying mosquitoes in Africa have a new foe: the next-generation Olyset bed net, which is made of a durable plastic weave impregnated with the insecticide permethrin and stays potent for five years. Lighter, cheaper and more colorful than previous versions, the Nguvu ya Ajabu (Swahili for Magic Power) is being manufactured in Tanzania for cost-effective distribution. Also new: curtains and door screens cut from the same material...
...PICKING Getting rid of lice from your kids' hair may be more difficult than ever. A report that looked at two cities, Boston and Boise, Idaho, shows that the pesky six-legged parasites are increasingly resistant to permethrin, the active ingredient in Nix, a popular over-the-counter remedy. What to do? Doctors suggest that you try commercial preparations; if these fail, ask your physician for a prescription pesticide. Or forget pesticides altogether, and try products with "delipidizing agents," which are found in health-food stores...
...study results revealed a correlation between over-treatment and resistance. "The researchers looked at kids in two American cities, Boise and Boston, and compared them with kids with lice in Borneo. In Borneo, where few or no pesticides are used, lice were killed very quickly by an application of permethrin. In Boise and Boston, the lice were far more resistant to the pesticide, having been exposed to the chemicals before." Horowitz notes that an increased dose of the lice-killer in Borneo destroyed the parasites faster, whereas an increased dose in Boise and Boston did nothing to expedite the lice...