US, Russia, China won't join global initiative to offer fair access to COVID-19 vaccines. Why not?

The U.S., China, and Russia are in a "vaccine race" that treats a global challenge like a winner-take-all game.

  • More than 150 countries have joined an initiative to develop, produce, and fairly distribute an effective COVID-19 vaccine.
  • But China, Russia, and the U.S. have declined to join in a bid to win the vaccine race.
  • The absence of these three economies risks the success of the global initiative and future collaborations.
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    Study reveals alarming link between binge-drinking and anxiety

    New research conducted on mice suggests repeated heavy drinking causes synaptic dysfunctions that lead to anxiety.

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    • The study was conducted on mice, who were given the equivalent of five drinks daily for 10 days.
    • Images of the alcoholic mice brains showed synaptic dysfunctions related to microglia (immune cells in the brain).
    • The results suggest that regulating TNF, a signaling protein related to systemic inflammation, may someday play a part in treating alcohol addiction.
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    Ever wonder how LSD works? An answer has been discovered.

    UNC School of Medicine researchers identified the amino acid responsible for the trip.

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    • Researchers at UNC's School of Medicine have discovered the protein responsible for LSD's psychedelic effects.
    • A single amino acid—part of the protein, Gαq—activates the mind-bending experience.
    • The researchers hope this identification helps shape depression treatment.
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    Taking pain relievers makes you more likely to take risks

    Research from Ohio State finds that acetaminophen affects our emotions.

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    • Previous research has shown that acetaminophen dulls both our positive and negative feelings.
    • The new study finds that those taking the drug consider risks they've been presented as less scary.
    • Acetaminophen is an important everyday painkiller, so it's a good idea to factor in what it may be doing to our judgement.
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    What is Novichok? A neurotoxicologist explains

    Novichok means "newcomer" in Russian.

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    The German government has announced that toxicology tests proved that the Russian opposition leader Aleksei Navalny was poisoned with Novichok, the same nerve agent used to poison former Russian spy Sergei Skripal and his daughter two years ago.
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