Madison Czopek

Ketamine is a powerful drug with promise for treating depression in small doses. Recreational use is risky, especially combined with alcohol.

Some details surrounding a Russian lab worker’s death of an unknown pneumonia parallel COVID-19 news that unfolded seven years ago, but health security experts say they don’t see signs this is a precursor to another pandemic.

This article originally appeared on It sounded familiar: Pneumonia reported near a lab studying infectious pathogens in a country where the government is known to conceal unfavorable information.

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No secondary cases have been confirmed, but experts say Russia’s response and lack of answers warrant continued scrutiny

Taking vitamin C won’t stop or cure a cold, but can a supplement help anyway? Some research finds that people who regularly took vitamin C supplements had milder cold symptoms or slightly shorter colds, but the effects were modest.

This story was originally published by PolitiFact It happens every common cold season.

Reports of a cluster of severe pneumonia cases and deaths would be worrying, as would expanding quarantine measures and Russian authorities refusing outside investigators. So far, there are no such reports.

Some research shows about 15% of people diagnosed with the neurological disease multiple sclerosis were misdiagnosed.

Authorities reported that 42% of pills tested for fentanyl contained a potentially lethal dose. This story was originally published by PolitiFact.