Cigarette smoke increases cell exposure to “Covid-19”

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Cigarette smoke increases cell exposure to “Covid-19”


Saturday – 5 Rabi Al Thani 1442 AH – 21 November 2020 AD


A man smoking a cigarette next to a mural of a man wearing a protective mask in the Philippine capital (Reuters)

Los Angeles: “Middle East Online”

Researchers from the University of California, Los Angeles, found that exposure to cigarette smoke makes airway cells more susceptible to infection with the “emerging corona” virus.
They obtained the cells lining the airway from five individuals who were not infected with “Covid-19” and exposed some cells to cigarette smoke in test tubes, and then they exposed all the cells to the “Corona” virus.
The researchers said in the journal “Cell Steam Cell” on Tuesday that when compared to cells that were not exposed to smoke, the cells exposed to smoke were two or three times more likely to be infected with the virus.
An analysis of each individual’s airway cells showed that cigarette smoke reduces the immune response to the virus.
“If you think of the airways as the high walls that protect a castle, smoking cigarettes is like making holes in these walls,” Brigitte Gombert, who was involved in the research, told Reuters news agency.
And she continued: “Smoking reduces the natural defenses and this allows the virus to enter and take over cells.”

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