Nitric oxide is a colorless, tasteless and short-acting gas which widens blood vessels in the lungs when inhaled.
It was in the 90s that nitric oxide also played a central role in the development of the erectile dysfunction drug Viagra.A Cataldo EMS team transports a suspected Covid-19 patient from Chelsea to Massachusetts General Hospital on April 23, 2020 in Boston, Massachusetts United States.Medical researchers are testing whether inhaled nitric oxide could help treat patients with the coronavirus.
The outbreak of the virus, which first emerged in late 2019, has meant countries around the world have effectively had to shut down. Confinement measures have been implemented in 187 countries or territories in an effort to try to slow the spread of the pandemic. In 1998, pharmacologist Louis Ignarro shared the Nobel Prize for uncovering nitric oxide as a signaling molecule in the cardiovascular system. It was subsequently approved by the U.S. Food and Drug Administration in 1999 and physicians have used the compound for a wide range of medical conditions ever since.
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