Health & Fitness

A new study simulated the transmission of SARS-CoV-2, the virus that causes COVID-19, on a flight from London to Hanoi and on another flight from Singapore to Hangzhou.

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A third 'booster' dose of COVID-19 vaccine successfully raises antibody levels that neutralize the Omicron variant, according to laboratory findings.

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The level of magnesium in the blood is an important factor in the immune system's ability to tackle pathogens and cancer cells. Researchers have reported that T cells need a sufficient quantity of magnesium in order to operate efficiently. Their findings may have important implications for cancer patients.

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Children in sub-Saharan Africa who are hospitalized with COVID-19 are dying at a rate far greater than children in the U.S. and Europe, according to a new study.

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A new modelling method allows researchers to measure levels of nitrogen dioxide on a finer scale, revealing disparities in exposure during COVID.

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Steroid estrogens play an important role as embryos develop a sense of smell, new research shows. The study, which examined zebrafish embryos, discovered a type of astrocyte glial cell that is new to science, and have been named estrogen responsive olfactory bulb (EROB) cells.

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A high protein diet appears linked to kidney disease and shortened lifespans for captive polar bears, a relationship similarly suspected in humans. A careful look at what zoos have fed polar bears revealed they mostly offered a diet intended for big cats, containing about 2-3 parts protein to 1-part fat, a reversal from what was observed in the wild.

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