Shedding light on the dark side of biomass burning pollution

Oxidized organic aerosol is a major component of ambient particulate matter, substantially impacting climate, human health, and ecosystems. Oxidized aerosol from biomass burning is especially toxic, known to contain a large amount of species that are known carcinogens, mutagens. Inhaling biomass burning particles also cause oxidative stress and cause a wide range of diseases such…

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An unexpected role for the brain’s immune cells

SAN FRANCISCO, CA—December 14, 2020—An important part of the brain’s immune system, cells called microglia constantly extend and retract «branches» from their cell body to survey their environment. Think of an octopus, not moving its body, but reaching its tentacles in every direction. That’s how microglia operate. In the span of an hour, each cell…

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Covid Patient Study Shows Some Benefit From an Arthritis Drug

Adding an arthritis drug called baricitinib to Covid treatment regimens that include the antiviral drug remdesivir might shave a day or more off recovery times, especially for those who are seriously sick, according to a study published on Friday. The findings of a government-sponsored clinical trial were made public more than three weeks after the…

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Fears of a ‘Twindemic’ Recede as Flu Lies Low

Despite the horrifying surge of Covid-19 cases and deaths in the United States right now, one bit of good news is emerging this winter: It looks unlikely that the country will endure a “twindemic” of both flu and the coronavirus at the same time. That comes as a profound relief to public health officials who…

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Vaccinated? Show Us Your App

In the U.S., for instance, the federal government plans to give out personal record cards to people receiving coronavirus vaccinations to remind them of their medical provider, vaccine manufacturer, batch number and date of inoculation. But federal health agencies have not yet issued guidance on third-party digital vaccination credentials, leaving it open for companies and…

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No association between COVID-19 and Guillain-Barré syndrome

Neuroscientists at UCL have found no significant association between COVID-19 and the potentially paralysing and sometimes fatal neurological condition Guillain-Barré syndrome. Researchers say the findings, published in the journal Brain*, along with a linked scientific commentary** by UCL and other international experts, should provide the public with reassurance, as the UK’s national coronavirus vaccination programme…

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