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Smoking (these data are preliminary)
13 studies covering 5,960 hospitalized COVID-19 patients: 6.5% recorded as smokers (average)
Peer-reviewed study of 50 hospitalized COVID-19 patients: 6% recorded as current smokers
We are still in the early days of the COVID-19 pandemic, and many questions remain. What is the relationship between smoking and risk of infection, hospitalization, or severe complications? Do smokers who switch to vaping nicotine face similar risks? And, finally, is the media reporting on these issues accurately?
The only certain answer to the first two questions is that it’s too early to say. We need more data. Ideally, a careful nicotine use history would be recorded for all patients with COVID-19 admitted to hospitals. Where feasible, these patients would be tested for nicotine use and for the products of combustion from cigarettes and bidis to verify self-reported histories.
As scientists love to say, “More research is needed.” There are knowns, known unknowns, and probably a lot of unknown unknowns. Current evidence on the relationship between COVID-19, smoking and nicotine vaping ranges from strong to none.
Long-term smokers are more likely to suffer from colds, influenza, and pneumonia than non-smokers. They are also more likely to develop ‘comorbidities’ like chronic obstructive pulmonary disease (COPD). However, at least in the United States, ‘only’ 13–15% of current smokers suffer from COPD. These individuals are more likely to suffer severe COVID-19 complications.
Based on the above table, there is currently no evidence that smokers who are diagnosed with COVID-19 are more likely to be hospitalized than non-smokers. But disease severity may differ. For example, one study of 1,099 COVID-19 patients in China found that 21% of smokers, and only 14% of non-smokers, developed complications. Unfortunately, there is no evidence yet on any potential links between COVID-19 and vaping. There is, however, intriguing evidence that most smokers who switch to nicotine vaping have fewer respiratory tract infections (colds and flus), coughs, and phlegm.
So far, there is no credible evidence that smokers or nicotine vapers are more likely to be infected with coronavirus. Nor is there evidence linking vaping to COVID-19 hospitalization or complications. Logically, there are three possibilities for nicotine vapers — vaping may increase, decrease, or have no effect on COVID-19 risk. All three possibilities should be studied during this pandemic.
Is the media reporting this accurately?
Here is a small, representative snapshot of relevant global news between April 8 and April 13, 2020:
The relationship between smoking and COVID-19 is complex, possibly counterintuitive, and rarely reported accurately in the press. With or without COVID-19, we must never forget that there is overwhelming evidence linking smoking to 7 million deaths every year from cancer, heart, and lung disease. There is an urgent need to develop and ensure access to safer and more effective smoking-cessation products and services.
* Average smoking rates for adults (male and female) in each country. In France, Germany, and the United States, gender differences in adult smoking are modest. Note, however, that in China at least 44.8% of men smoke, but only 2% of women.
80% of smokers live in low-middle income countries (LMICs), yet access to #tobaccoharmreduction products remains controversial in those markets. @gtnf2020 Derek Yach (@swimdaily) said denying LMICs access to reduced-risk products will prevent millions from improving their health.
“Smokers want to quit without quitting cigarettes,” said #smokingcessation expert @RiccardoPolosa during a @15Conference webinar. Riccardo went on to explain that alternatives like #ecigarettes are valuable tools. Click here to watch the full conference: https://bit.ly/3dO2uNu
The tobacco ecosystem in India is complex. @andymukherjee70 suggests a new structure for ITC #India & uses findings from http://tobaccotransformationindex.org to evaluate companies' progress toward #tobaccoharmreduction.
For more background: https://bit.ly/3dNCBNR
Homepage | GSTHR Online Event A MUST watch event and no doubt, a vital addition to those committed to #endsmoking and supporting #tobacco harm reduction @SmokeFreeFdn @GerryStimson https://events.gsthr.org/
Lack of ambition to accelerate #smokingcessation and #harmreduction means more deaths and disease. On @RegWatchCanada Derek Yach (@swimdaily) talks about how the http://TobaccoTransformationIndex.org provides stakeholders info to drive change in the tobacco industry. https://regwat.ch/3iykuMt
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