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Public Health England prematurely endorses e-cigarettes

Aryeh Greenberg & Ricardo J Jose, BMJ 

We were struck by the permissiveness of the report commissioned by Public Health England on e-cigarettes compared with a contemporaneous US academy report.123

The PHE review states that “e-cigarette use alone or in combination with licensed medication and behavioural support . . . appear to be helpful in the short term.”1 By contrast, the US review says, “There is insufficient evidence . . . about the effectiveness of e-cigarettes as cessation aids.”3

PHE says that “e-cigarettes are attracting very few young people who have never smoked into regular use,”1 but the US report concludes, “There is substantial evidence that e-cigarette use increases risk of ever using combustible tobacco cigarettes among youth.”3

Both reports corroborate the purported reduction in harm afforded by e-cigarettes compared with tobacco cigarettes.13 But the US reviewers say that “there is no available evidence whether or not e-cigarette use is associated with clinical cardiovascular outcomes . . . and respiratory diseases,”whereas PHE concludes that these putative risks are “substantially below” those of smoking.1

The US review says that “there is no available evidence whether or not e-cigarette use is associated with intermediate cancer endpoints.”Yet PHE promotes the finding that “the cancer potencies of e-cigarettes” are “largely under 0.5% of the risk of smoking.”14

We understand that such conflict, existing as it does among tobacco experts, reflects a wider uncertainty surrounding the long term health risks of e-cigarettes. That PHE, whose purpose is “to protect and improve the nation’s health,”5 should sanction e-cigarette use citing an embryonic and inconclusive evidence base, is astonishing. When over 75% of acute NHS trusts are in financial deficit,6 a decision backing NHS investment in e-cigarettes is even more perplexing. The PHE report represents an unduly premature endorsement of e-cigarettes to the smoking public.

References

1. McNeill A, Brose LS, Calder R, Bauld L & Robson D (2018). Evidence review of e-cigarettes and heated tobacco products 2018. A report commissioned by Public Health England. London: Public Health England.
2. Wise J. Doctors should state clearly that vaping is much lower risk than smoking, says report, BMJ 2018; 360 doi: https://doi.org/10.1136/bmj.k575
3. National Academies of Sciences, Engineering, and Medicine. 2018. Public health consequences of e-cigarettes. Washington, DC: The National Academies Press. doi:https://doi.org/10.17226/24952
4. Stephens WE. Comparing the cancer potencies of emissions from vapourised nicotine products including e-cigarettes with those of tobacco smoke. Tobacco Control 2018;27:10-17.
5. Public Health England Website. Available at: https://www.gov.uk/government/organisations/public-health-england/about. [Accessed 13 February 2018].
6. Quarterly performance of the NHS provider sector: quarter 2 2017/18. NHS Improvement. Available at: https://improvement.nhs.uk/resources/quarterly-performance-nhs-provider-… [Accessed 14 February 2018]

Full response at: http://www.bmj.com/content/360/bmj.k575/rr.

Source: Greenberg AryehJose Ricardo JPublic Health England prematurely endorses e-cigarettes 

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