Dr Colin Mendelsohn Profile picture
Jul 27, 2020 4 tweets 3 min read Read on X
1/4 BULLSHIT ALERT

@SarahWhisar from @quitvic says the claim that vaping is 95% safer than smoking is a guesstimate from a workshop

FACT
It is based on comprehensive, peer-reviewed reviews of the scientific evidence by @RCPLondon and @PHE_uk
bit.ly/30NQ0PO
2/4 "95% safer" is a realistic evidence-based estimate to guide the public on the relative risk of vaping compared to smoking

Research shows switching
▪️dramatically reduces toxins
▪️greatly reduces toxic biomarkers of exposure
▪️improves health

athra.org.au/blog/2019/12/2…
3/4 Why don't @quitvic and @CancerCouncilOz support vaping?

▪️Smoking is the largest risk factor for cancer
▪️Vaping is estimated to be <0.5% the cancer risk of smoking
▪️Most of the carcinogens in smoke are absent from vapour or in very small amounts

ncbi.nlm.nih.gov/pubmed/28778971
4/4 Whether the reduction in risk is 90% or 99% is not the point. The key message is that vaping is far safer than smoking and is a legitimate quitting option for smokers unable to quit

PLEASE STOP MISLEADING PEOPLE!
bit.ly/304aGnK

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More from @ColinMendelsohn

May 30, 2023
🧵1/9
Everyone agrees young people should not #vape or smoke
However, the current fear and panic about youth vaping is not based on the evidence, according to our paper published today in @ijdrugpolicy
Co-author Prof Wayne Hall

colinmendelsohn.com.au/youth/
🧵2/9
In adolescents who have never smoked most #vaping is occasional and short-term
Frequent vaping in this group is uncommon: 1-2% in most international surveys eg England ⤵️ Image
🧵3/9
Rather than being a gateway into smoking, #vaping is diverting young people AWAY from smoking overall. Increased vaping is accompanied by an accelerated decline in youth smoking
Eg in the US ⤵️ Image
Read 10 tweets
May 29, 2023
🧵1/4
41 leading tobacco control and addiction experts from Australia and NZ have written an open letter to Health Minister @Mark_Butler_MP asking him to reconsider the proposal to further restrict access to nicotine #vaping
colinmendelsohn.com.au/butler-4/
🧵2/4
Their concern is that
“this approach will have serious and harmful unintended consequences for public health, will slow the decline in smoking and will ultimately be unsuccessful”
🧵3/4
The experts say that "a well-designed adult consumer regulatory model is most likely to achieve the two goals we all seek, i.e., making vaping products available as a quitting aid for adults who smoke and minimising access by young people"
Read 5 tweets
Sep 23, 2021
WARNING. AUSTRALIAN nicotine is extremely toxic!

According to @TGAgovau's latest advice

'Nicotine is a poisonous substance'
'There are significant health risks associated with nicotine use

We should get the safe nicotine that other countries use...

1/6
tga.gov.au/nicotine-vapin…
UK Royal College of Physicians

‘Use of nicotine alone, in the doses used by smokers, represents little if any hazard to the user’

2/6
rcplondon.ac.uk/projects/outpu…
UK Royal Society for Public Health

‘Tobacco contains nicotine along with many other chemicals, but nicotine by itself is fairly harmless.’

3/6
rsph.org.uk/about-us/news/…
Read 6 tweets
Jun 15, 2021
Appalling journalism @dailytelegraph

'Vape Craze, A Real Drag' 11 June 2021

Gross misinformation from 2 anti-vaping activists. No pro-vaping expert consulted to challenge or correct

No response to my letter to editor to fix it, so here are my corrections

Pls share

Thread...
1/ 'Switching has not been shown to reduce proven health harms’

Response
NASEM 18-2: 'There is substantial evidence that completely switching from ... cigarettes to #ecigs results in reduced short-term adverse health outcomes in several organ systems'
nap.edu/24952
Read 7 tweets
Jun 12, 2021
Good to see some balance in this article with some commonsense from @AlexWodak

However still some serious misinformation
FYI @janehansen2000
1. #vaping is not a Big Tobacco plot

-BT did not invent vaping
-Vapes are a direct competitor to cigarettes and are a huge disruptive threat to the industry
-BT is mostly focussed on #HTPs
-If BT switches from #cigs to #ecigs, that is good for public health. vaping is 95% safer
2. Popcorn lung has been long discredited

There has never been a single case of 'popcorn lung' from vaping or smoking, and diacetyl levels are hundreds of times higher in smoke than vapour

@CRUKLondon laid this to rest years ago
bit.ly/3iBt6Wk
Read 9 tweets
Sep 24, 2020
1/There is so much wrong with this article

▪️Only anti-vaping views quoted
▪️Extensive misinformation not challenged
▪️No alternative views offered

Can I have a right of reply @Dana_Adele

Thread...
smh.com.au/politics/feder…
2/ nicotine is highly addictive

The addictiveness of nicotine depends on how it is delivered. Smoking is highly addictive due to rapid nicotine delivery and other chemicals in smoke. Vaping is significantly less addictive than smoking
3/ doctors should be focused on getting people off cigarettes and nicotine completely

Ideally yes. But many smokers can't quit nicotine and switching to a safer alternative is lifesaving. The focus of #THR is reducing disease, not ceasing nicotine

bit.ly/3iZko1F
Read 14 tweets

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