Head Lice in 25 States Are Now Resistant to Treatment
A large number of lice populations have gene mutations that may make it resistant to over-the-counter treatments Here’s some lousy news: Lice in half of America—at least 25 states—are now resistant to over-the-counter treatments. That’s according to new research presented at the American Chemical Society’s national meeting. Study author Kyong S. Yoon, PhD, assistant professor
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