tobacco additives: the increased health · pdf file(guar gum: combustion ... excerpts from us...
TRANSCRIPT
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Dr. Martina Pötschke-Langer
Unit Cancer Prevention and WHO Collaborating Centre for Tobacco Control,
German Cancer Research Center (DKFZ) Heidelberg,Germanyemail: [email protected]
Tobacco additives:The increased health risk
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International consensus:Ban on or regulation of all tobacco additives
Tobacco additives:The increased health risk
Partial guidelines for implementation of Articles 9 and 10 of the WHO FCTC
WHO Framework Convention on Tobacco Control (FCTC)Articles 9 and 10
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More than 600 additivesare used in cigarette production
German Cancer Research Center 2013
Tobacco additives:The increased health risk
„Ingredients are indeed used to make cigarettesmore palatable, and to reduce harshness and irritation.“
(House of Commons Health Committee, Memorandum by BAT
“The Tobacco Industry and the Health Risks of Smoking“, 1999)
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Examples of tobacco additives
Sugars
German Cancer Research Center, 2013
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Menthol
Examples of tobacco additives
German Cancer Research Center, 2012
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Liquorice
Examples of tobacco additives
PITOC 2012, German Cancer Research Center 2013
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Additives without flavour• binders
(guar gum: combustion carcinogenic substances)
• humectants (moisturing agents) (glycerol, sugar: combustion carcinogenic substances)
• colouring agents (azo dyes: tartrazine (yellow): carcinogenic)
PITOC, http://www.dkfz.de/de/tabakkontrolle/PITOC_Additives_in_Tobacco_Products.html;Deutsches Krebsforschungszentrum (Ed.): Increased Health Hazards due to Additives of Tobacco Products – Consequences for Product Regulation. Heidelberg 2005
Examples of tobacco additives
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Tobacco products with characterising flavours
Only a small market!
Tobacco additives:The increased health risk
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Big market: Mix of many additives
• flavours in very low amounts „Ingredients are indeed used to make cigarettes more palatable, and to reduce harshness and irritation.“ (BAT,1999) facilitation of initiation and maintenance of smoking
• interaction and synergistic effects of additivesmixture of small amounts of several additives can havesimilar effects as bigger amounts of single additives
• many additives produce carcinogenic substances on pyrolysis:
no harmless threshold levels for additives
Tobacco additives:The increased health risk
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Tobacco additives:The increased health risk
New technologies
• enhance attractiveness
• capsule can be filled with any additive
Excerpts from US patent No. 7878962 (Karles et al., Philip Morris)
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What should be done?
Revision of the EU Directive 2001/37/EC
• to protect youth from initiation
• to support smokers to quit smoking
Ban of all additives that may enhance the palatability,
smoothness and attractiveness of tobacco products
Why?
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What should be done?
Revision of the EU Directive 2001/37/EC
Ban of all additives that are carcinogenicin unburnt or burnt form
• to protect consumers
• to reduce morbidity and mortality
Why?
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What should NOT be done?
Revision of the EU Directive 2001/37/EC
Set maximum levels for any additives
• no reliable methods to define a threshold level for distinctive taste
• many interactions between additives with synergistic effects on palatability, smoothness and inhalation
Why?
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Summary
Revision of the EU Directive 2001/37/EC
• ban is needed on additives that enhance palatability, smoothness and attractiveness of tobacco products
• ban is needed on additives that are carcinogenic in unburnt or burnt form
• manufacturers and importers must prove that any additive they want to use is harmless