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Researchers say the bacteria appears to have changed part of the male insects' reproductive biology, so that female mosquitoes that mate with them lay eggs that do not hatch.

SYDNEY —Researchers in Australia have shown a bacteria can sterilize and eradicate a disease-carrying mosquito that is responsible for spreading dengue, yellow fever and Zika.

Three million male Aedes aegypti, or yellow fever mosquitoes, were released in the trial at three sites in Northern Queensland state. They were reared at James Cook University in Cairns and sterilized with a naturally-occurring bacteria called Wolbachia.

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Hypertension significantly increases risk of heart, brain, and kidney disease

GENEVA - A new study finds the number of people with hypertension has doubled over the last 30 years to 1.28 billion, mostly in developing countries.

The study led by Imperial College London and the World Health Organization is the first comprehensive global analysis of trends in hypertension prevalence, detection, treatment and control.

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A pharmacist holds a bottle of OxyContin made by Purdue Pharma

The judge overseeing Purdue Pharma's bankruptcy said Monday that some members of the Sackler family who own the OxyContin maker face a "substantial risk" of liability and could be on the hook for "huge amounts of money" over claims the company fueled the opioid epidemic.

U.S. Bankruptcy Judge Robert Drain in White Plains, New York, made the remark during closing arguments in a trial over Purdue's proposed reorganization plan.

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