Waterpipe Smoking An Increasing Issue for Public Health APR 11 Waterpipe Smoking.pdf1 The fifth...
Transcript of Waterpipe Smoking An Increasing Issue for Public Health APR 11 Waterpipe Smoking.pdf1 The fifth...
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1
The fifth webinar in a collaborative series brought to you by OTRU & PTCC
Start time: 10:30 A.M.
For audio, call (647)723-3984 (if you are located within the GTA)
or call +1(866)365-4406 (toll-free)
When prompted, enter the access code: 7281777#
Welcome to today’s webinar:
Waterpipe Smoking – An Increasing Issue for Public Health
![Page 2: Waterpipe Smoking An Increasing Issue for Public Health APR 11 Waterpipe Smoking.pdf1 The fifth webinar in a collaborative series brought to you by OTRU & PTCC Start time: 10:30 A.M.](https://reader030.fdocuments.net/reader030/viewer/2022040912/5e86a3fe58f7f502e224e16f/html5/thumbnails/2.jpg)
How to submit any comments or questions during the webinar:
Enter your comments/questions
in this chatbox to share with
everyone in the webinar
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Roberta Ferrence
OTRU Principal Investigator and Deputy Director
Roberta Ferrence is Professor in the Dalla Lana School of
Public Health at the University of Toronto and an Affiliate
Scientist with the Centre for Addiction and Mental Health.
Her research interests include the epidemiology of tobacco
use, the impact of tobacco policy on health, the role of
tobacco products in mortality and morbidity, alternative
forms of tobacco use, and economic factors in smoking
behaviour.
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Misconceptions and Myths about
Harms of Waterpipe Smoking
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Waterpipe vs Cigarettes
MYTH
Waterpipe tobacco smoking is less
harmful & addictive than cigarettes
TRUTH
More frequent puffs and longer sessions
result in much great exposure to toxins
and higher nicotine intake
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MYTH
Harmful toxins are filtered out by water
before being inhaled
TRUTH
Harmful toxins are NOT filtered out
Water in the pipe cools the smoke and
makes it less irritating but NOT less toxic
More Myths
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Polling Question 1
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Herbal vs Tobacco Hookah
MYTH
Tobacco-free herbal hookah is ―healthier‖
than tobacco hookah
TRUTH
Same toxins produced by tobacco hookah
& herbal hookah (PAHs, VAs, CO)
Herbal hookah may be mixed with tobacco
or nicotine ―juice‖
Herbal users often puff harder and inhale
more toxicants
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Waterpipe Secondhand Smoke
Waterpipe smoke includes charcoal &
tobacco smoke
Typical 1 hr session can generate
carcinogens & toxicants 3-200 times the
amount in cigarette smoke
(= 2-10 cigarettes)
Indoor air quality in hookah cafés show
high levels of CO
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Waterpipe Smoke Toxicants
Waterpipe sidestream smoke compared to
cigarette sidestream smoke from a single
session emits approximately:
4 times PAHs – cause cancer
4 times Volatile Aldehydes – cause lung
disease
30 times CO – contributes to CVD
Nicotine – causes dependence
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Effects of Nicotine
One-30 minute tobacco waterpipe smoking
session causes acute changes in blood
pressure & heart rate
Daily tobacco waterpipe smoking results in
nicotine absorption similar to smoking 10
cigarettes
Significant exposure to tobacco-specific
carcinogens
Air nicotine combines with Nitrous Acid to
form carcinogens that damage DNA
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What do we know
about
Health Effects of
waterpipe use?
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What Health Effects of Waterpipe
Use are Confirmed?
In Meta-analysis:
Lung cancer (>2 fold)
Respiratory illness (>2 fold)
Low birth-weight (>2 fold)
Periodontal (gum) disease (3-5 fold)
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What Health Effects are Likely?
Esophageal cancer (2-fold)
Oral dysplasia (>8 fold)
Infertility (>2 fold)
Heart rate variability (which
compromises heart function)
Users may get serious acute effects:
major headaches that can last for
days; nausea; fainting
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Other Likely Health Effects
COPD (Emphysema etc.)
Reduced lung function
Cardiovascular disease
Nicotine dependence
Infectious diseases from shared
mouthpieces or tubes (Hepatitis, TB,
Meningitis)
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Polling Question 2
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Waterpipe vs Cigarettes
Same constituents as cigarettes but in
different proportions:
Carcinogens, particulates, heavy metals,
carbon monoxide and other toxic gases
Can expect similar health effects to
cigarette smoking, which took a century to
establish
Co-use is common
with tobacco/herbal/cigarettes/
marijuana/alcohol/other drugs
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Herbal vs Tobacco
Hookah
No difference in levels of
CO
Nitric oxide
Tar
PAHs (e.g., Benzopyrene)
Volatile aldehydes (e.g., Formaldehyde,
Acetone)
Only difference is level of nicotine
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Herbal vs. Tobacco Hookah
Waterpipe use decreased Heart Rate
Variability for both tobacco and herbal (can
cause serious problems)
CO increased with both tobacco and herbal
Herbal users inhaled more smoke than
tobacco users
Tobacco use increased heart rate, blood
pressure
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What do Users say about Herbal
product?
“Soex is a product some love and some
hate. It is not bad but not as good as
tobacco. The issue is that most people
compare it to tobacco and of course Soex
will not appeal to tobacco smokers.”
- Online Hookah Forum
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Who is Smoking Waterpipe?
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Waterpipe Use Among Canadian
Adults
(CTUMS/StatCan: 2006; 2011)
Ever use increased from
4% to 8% from 2006 to 2011
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Waterpipe Use Among
Canadian Youth
Canadian Students
Grades 7-12, 2006; 2011
Past month use increased from 3% to 5%, 2006 to 2011
14% of current smokers used waterpipe vs less than 1% of never smokers
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Why Study Waterpipe in Toronto?
Increasing use of waterpipe,
especially among youth
Increase in waterpipe availability,
venues
Lack of regulation of use, packaging, warnings, etc.
Difficulty enforcing Smoke Free Ontario Act – herbal
exempted
Misinformation about safety
New information on exposure to herbal and tobacco
waterpipe
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Waterpipe Cafés in Toronto
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Study Design
17 cafés of 30 provided by TPH:
12 indoors, 5 on patios
Served waterpipe during evening
Feasible to collect air quality data
July-Aug: Site selection
Aug – Oct: Air quality and descriptive
measures in several areas of city
9pm-12 midnight
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Air Sampling Methods
TSI SidePak to measure ultra fine particles
(<PM2.5)
TSI Q-Trak to measure carbon monoxide
Active Nicotine Sampler to measure air nicotine
piCO+ monitor to measure breath CO and COHb
(CO in blood) for non-smoking research staff
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Other Data Collection
# Burning waterpipes
# Burning cigarettes
Temperature
Humidity
Carbon Dioxide
Descriptive data for each venue
Descriptive data for patrons
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What We Found
Some examples of readings in
waterpipe cafés
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Venue #4
Commercial area in inner suburb
Mainly young adults; some middle-aged
Mix of males and females
Very poor ventilation
Separate room, from food service area,
where patrons smoke shisha
Waterpipe served on main floor and in
basement
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0
2,000
4,000
6,000
8,000
10,000
12,000
14,000
16,000
18,000
7:44PM
7:51PM
7:59PM
8:06PM
8:14PM
8:21PM
8:29PM
8:36PM
8:44PM
8:51PM
8:59PM
9:06PM
9:14PM
9:21PM
9:29PM
9:36PM
9:44PM
9:51PM
9:59PM
10:06PM
10:14PM
PM
2.5
(µ
g/m
3)
AQI: Very Poor
14-19 hookahs
Ou
tdo
ors
Ou
tdo
or
s
20-24 hookahs 25-27 hookahs
SidePak machine further
distance from active
hookah (compared to PM2.5
level at 8:22pm)
PM2.5 and CO Indoors (Venue #4)
0
20
40
60
80
100
120
140
7:44PM
7:51PM
7:59PM
8:06PM
8:14PM
8:21PM
8:29PM
8:36PM
8:44PM
8:51PM
8:59PM
9:06PM
9:14PM
9:21PM
9:29PM
9:36PM
9:44PM
9:51PM
9:59PM
10:06PM
10:14PM
CO
(p
pm
)
14-19 hookahs
Ou
tdo
ors
Ou
tdo
ors
20-24 hookahs 25-27 hookahs
15 minute exposure limit
24 hour exposure limit
Nicotine=Smoky Bar
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Venue #13
Local commercial area in outer
suburb
Mix of young & old patrons
Ventilation system had some diffusers
along ceiling and built-in ceiling
AC/heating units
Busy venue with many tables in a
small area
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0
2,000
4,000
6,000
8,000
10,000
12,000
14,000
16,000
18,000
PM
2.5
(µ
g/m
3)
AQI: Very Poor
Ou
tdo
ors
5-9 hookahs 10-13 hookahs 10-20 hookahs
Ou
tdo
ors
PM2.5 and CO Indoors (Venue #13)
0
20
40
60
80
100
120
140
CO
(p
pm
)
5-9 hookahs 10-13 hookahs 10-20 hookahs
Ou
tdo
ors
Ou
tdo
ors
15 minute exposure limit
24 hour exposure limit
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Waterpipe vs Cigarette Smoking
Levels (Median)
PM2.5 (μg/m3) Hazardous 91+
Kentucky: Cigs Pre-ban: 67-304
Post-ban: 9-32
Toronto: Waterpipe Indoor: 692
Outdoor: 35
CARBON MONOXIDE (ppm)
São Paulo: Cigs Indoors pre-ban: 4.6 (mean)
Toronto: Waterpipe Indoors: 12.5
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Is Tobacco Hookah Used in Toronto
Waterpipe Cafés?
Median Nicotine levels in other cities with and without cigarette smoking bans:
With Bans: 0.09 μg/m3 (0.03-0.17 μg/m3)
Without Bans: 2.83 μg/m3 (0.57-4.56 μg/m3)
In Toronto indoor Hookah cafés 0.0 – 0.19 0
0.20 – 0.50: 1
0.51 – 1.00: 4
1.01 – 3.00: 1
3.01 – 8.00: 6
Nicotine found in all cafés studied—half above average of cafés with cigarette smoking
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Non-smoking Staff CO Exposure
Breath CO
Before entry: 1-3 ppm
In venue: 1-70 ppm
12.6ppm (mean)
Reference Points:
Non-smoker 0-6 ppm
Smoker 11-15 ppm
Addicted smoker 26-35 ppm
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Economic Factors
Frequent openings and closing of
Waterpipe businesses
Frequent changes in owners,
managers, name of establishment
Downtown locations have diversified
and include high end menus and
alcohol
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Current Issues
High levels of exposure in WP cafés
Perception of low health risks
Misleading advertising claims
Lack of public information on hazards
• Hookah bars
normalise Waterpipe
use and can
introduce it to
communities
![Page 40: Waterpipe Smoking An Increasing Issue for Public Health APR 11 Waterpipe Smoking.pdf1 The fifth webinar in a collaborative series brought to you by OTRU & PTCC Start time: 10:30 A.M.](https://reader030.fdocuments.net/reader030/viewer/2022040912/5e86a3fe58f7f502e224e16f/html5/thumbnails/40.jpg)
Current Issues
Youth targeted with flavoured product
Bubble gum, Piña colada
Easy access / low cost
Lack of health warning labels
Includes contraband
Possibility of ―Big Tobacco‖
entering market
Herbal hookah used to undermine
enforcement of protection laws
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How Does Waterpipe Compare to
other Indoor Use of Charcoal?
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Korean BBQ
Most Korean BBQ restaurants in Toronto
now use gas or propane
Only one venue in Toronto uses a
combination of charcoal and gas
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What We Found
CO levels low with both gas and
charcoal
PM2.5 acceptable with gas in most
cases
PM2.5 higher with charcoal but
sporadic and much lower than
waterpipe
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The Bottom Line
Work staff and patrons exposed to unsafe
levels of CO & particulates
Most cafés serve tobacco hookah
Patrons don’t know what they’re smoking
Herbal product also has hazardous levels
of CO & PM2.5
Continued waterpipe use in public places
could undermine existing smoking bans
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What’s Needed Now
Smoke free policies that include waterpipe
smoking indoors and outdoors
Policies to regulate flavourings & product
descriptors; health warnings
Increased public awareness of myths &
misconceptions
Improved surveillance of patterns of use
Coordinated global response
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