Triclosan, a widely used disinfectant, may be contributing to the rise of drug-resistant bacteria, reports LiveScience.com. The antimicrobial agent has been banned from household soaps in the U.S. and European Union over concerns about its safety and effectiveness. But triclosan is still added to hospital soaps and many other household products, including toothpaste, cosmetics, and toys. When researchers at the University of Birmingham in England conducted lab tests on E. coli, they found that when the bacteria mutated to become resistant to powerful quinolone antibiotics, they also became more resistant to triclosan. “We think that bacteria are tricked into thinking they are always under attack and are then primed to deal with other threats, including triclosan,” says researcher Mark Webber. “The worry is that this might happen in reverse and triclosan exposure might encourage growth of antibiotic-resistant strains.”
Taken from the July 21, 2017 edition of The Week Magazine.
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