[4] Smoking cessation and insomnia Because nicotine is a powerful stimulant, its deprivation causes a feeling of fatigue that can last two to three weeks
Timeline: 20 Minutes After Quitting Heart rate is back to normal 12 Hours After Quitting Carbon monoxide levels in blood drop back to normal 2 Weeks to 3 Months After Quitting Heart attack risk drops, and lung function improves 1 to 9 Months After Quitting Coughing and shortness of breathe have decreased 1 Year After Quitting Risk of coronary heart disease is half that of a smokers 5 to 15 Years After Quitting Risk of stroke is half of a smokers, risk of cancer of the mouth, throat, and esophagus is half that of a smokers
However, evidence is mounting that e-cigarette use can cause harm
Pillbox 38 (UK) Limited, trading as Totally Wicked v Secretary of State for Health , 4 May 2016, retrieved 28 December 2025 "Article 20(5), tobacco products directive: restrictions on advertising electronic cigarettes"
Filmmakers made smoking look cool, and you know what
When I see girls who are 20-something, or the new crop of actresses, and think Arent we kind of the same age? You lose perspective, she said