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Drug
resistance: the march of the superbugs. Researchers warn that overuse of
antibiotics could cause resistance to spiral out of control, to an
"unknown tipping point" when the drugs are no longer effective
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Global consumption of
antibiotics has soared since the year 2000, stoking calls for new policies to
rein in usage — and fueling fears that the worldwide threat posed by
drug-resistant superbugs will spiral out of control, researchers say.
