More than 200 scientists wrote to the WHO, warning about aerosol transmission of the coronavirus. The WHO has since acknowledged the evidence but hasn't change its advice yet.
July 9, 2020 • ~9 min
Tags: health covid-19 coronavirus pandemic sneeze restaurants viruses aerosols breathing droplets fluid-dynamics mucus
The body has many natural defenses against viruses and other pathogens. One antiviral molecule produced in the body is nitric oxide and it is created when we breathe in through the nose.
June 19, 2020 • ~7 min
Tags: covid-19 coronavirus pandemic sars-cov-2 breathing yoga nitric-oxide
Physiotherapists can help patients during and after coronavirus infections.
May 5, 2020 • ~8 min
Tags: covid-19 coronavirus ventilators breathing physiotherapy
A fetus needs oxygen long before its lungs work and it's exposed to the air. Some ingenious biochemistry explains how the mother's blood delivers it.
May 5, 2020 • ~6 min
Tags: placenta baby chemistry pregnancy blood oxygen mother biochemistry hemoglobin breathing breath fetus
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