electronic cigarettes Flashcards
what are e-cigs
- a family of non-tobacco, non-medicinal nicotine delivery systems
- invented in 2003
what was the 1st generation of e-cigs
- cigalikes
- rechargeable or disposable
what is the 2n generation of e-cigs
- tank
- refillable
- looked like a long pen
what is the 3rd generation of e-cigs
- big tank
- customisable = make more personal
what makes up an e-cig
- mouthpiece, battery, cartridge, atomiser or cartomiser
how does an e-cig work
- current passes through a resistance coil that is in contact with a fluid
- heat generates an aerosol, the vapour
what are the components of an e-cig
- LED light
- battery
- microprocessor to control heat and light
- sensor to detect when smoker takes a drag
- heater to vaporise nicotine
- cartridge that holds nicotine dissolved in propylene glycol
what are the different formats of e-cigs
- e-pipe
- e-cigar
- large/medium tank devices
- re-chargeable e-cigs
- disposable e-cigs
- cartridge pod systems = Juul systems
what’s in the liquid
- propylene glycol = thinner, throat hit
- vegetable glycerine = thicker, smooth
- natural/artificial flavourings
- nicotine levels
what can the level of PG and VG be
- can change
- culture = 75% VG, 25% PG
- vaporised coconut = 65% PG, 35% VG
what level of nicotine will a heavy smoker have
- 12-18mg/ml
what level of nicotine will a light smoker have
- no more than 6mg/ml
what is vaping
- the act of inhaling and exhaling the water vapour produced by an electronic device
what is nicotine
- the addictive element in both cigarettes and e-cigs
- not harmful to health
what is the maximum liquid nicotine level
- 20mg/ml
- many are below this
who uses e-cigs
- ex smokers the most = 58%
- smokers = 38%
- non-smokers = 2.9%
what are the main reasons for people using e-cigs
- advised to
- cut down amount smoked
- enjoyment
- for places where they can’t smoke
- suggested by a friend
- help quit
- save money
where can you get e-cigs
- online suppliers
- lots of shops
- liquids now legally only sold in smaller sizes (10ml)
- banned for under 18s
why do people use e-cigs
- aid to quitting
- less toxic
- cheaper alternative
- harm reduction/reduce smoking
- hand to mouth habit maintained
- psychosocial aspect of addiction maintained
- recreation and socialisation
- vaping community
what are the public health benefit of e-cgis
- public health costs of smoking are vast
- they are also not as lethal as cigarettes
what are the public health risks of e-cigs
- renormalisation of smoking
- gateway or pathway to smoking
- involvement of big tobacco firms
what is the safety of devices
- number of examples of exploding batteries
- people burnt from device batteries
what is the safety of the liquid
- much safer than cigarettes
- many constituents have been used in food and drinks before
- but don’t know the long term effects of it as they are so new
what are the oral side effects of e-cigs
- largely unknown
- mouth and throat dryness
- lichenoid reaction more common
- bacterial infections
what should you tell co-users
- encouragement that they are reducing their exposure to tobacco by using e-cigs
what should you tell e-cig users (ex-smokers)
- strong encouragement that they have quit tobacco