Air pollution fuels antibiotic resistance, a grave threat to human health, a global study shows.
Antibiotics can help cure bacterial infections such as urinary tract infections and pneumonia. Antibiotic resistance is a major challenge for global health. It occurs when bacteria become resistant to the drugs that are used to treat infections. It can affect anyone, anywhere, and is estimated to kill 1.3 million people every year.
The study did not investigate the scientific reasons behind the link. But previous evidence suggests that tiny particles in the air called PM2.5 can carry antibiotic-resistant bacteria and genes. These particles can be transferred between different environments and inhaled by humans which are otherwise invisible to the naked eye, the authors explained.Air pollution is already known to be the largest environmental risk to public health.
The study was led by Prof Hong Chen of Zhejiang University in China, who stated that both antibiotic resistance and air pollution were among the greatest threats to global health. He also said that the possible links between the two were unclear until now, but this work suggested that controlling air pollution could have a double benefit. It could reduce the harmful effects of poor air quality and also play a major role in fighting the rise and spread of antibiotic-resistant bacteria.
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