SHR # 2681:: How Weed Killers Create Antibiotic Resistant Bacteria - Dr. Ville Friman, PhD - Antibiotic resistance happens when germs like bacteria and fungi develop the ability to defeat the drugs designed to kill them. That means the germs are not killed and continue to grow. Antibiotic resistance is one of the biggest public health challenges of our time. Each year in the U.S., at least 2.8 million people get an antibiotic-resistant infection, and more than 35,000 people die. It was once thought that the increase in the rate of antibiotic resistance was due to the widespread overuse of antibiotics. That may not at all be the case. A new study from the University of York shows the use of weed killers can increase the prevalence of antibiotic resistant bacteria in soil. Herbicides are one of the most widely used chemicals in agriculture and while these compounds are used to target weeds, they can cause damage to soil microbes, such as bacteria and fungi, potentially changing the ecological properties of microbial communities. Scientists from China and the UK studied the effect of three widely used herbicides called glyphosate, glufosinate and dicamba on soil bacterial communities. Source https://www.sciencedaily.com/releases/2021/02/210216185910.htm

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