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  1. 50 years ago, scientists first investigated antibiotic resistance in livestock

    In 1970, scientists began investigating the effects of feeding antibiotics to livestock. 50 years later, we know it can be harmful for humans.

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  2. Health & Medicine

    Strokes and mental state changes hint at how COVID-19 harms the brain

    In a group of people severely ill from the coronavirus, strokes, psychosis, depression and other brain-related changes come as complications.

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  3. Health & Medicine

    The second-worst Ebola outbreak ever is officially over

    As Congo grapples with COVID-19 and other disease outbreaks, the country’s 10th battle against Ebola has ended.

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  4. Health & Medicine

    Millions of COVID-19 cases in the U.S.