This smoker has become tolerant to nicotine, which usually happens first, even before dependence sets in
Although the increases were temporary, researcher Dr Magnus Lundbck, who presented the findings to the European Respiratory Society International Congress in Milan on Monday 11 September 2017, said: We speculate that chronic exposure to e-cigarettes with nicotine may cause permanent effects on arterial stiffness in the long term. Meanwhile, the results of another study presented to the congress on the same day found that maternal e-cigarette vaping is linked to an increased risk of and severity of allergic asthma in offspring [2]
If you need to lower your nic strength, maybe try a 3mg or 6mg strength, for a medium level strength try 10mg or 12mg strength, or a high strength nicotine like 18mg and 20mg
Chemical Research in Toxicology
Tobacco smoke contains a poisonous gas called carbon monoxide
FAQs Can lungs be fully recovered if a person stops smoking