how do people get addicted to cigarettes On Science: Can you smoke without becoming addicted? How Long Does It Take

Tobacco smoke has many effects on those breathing it, including: Inflammation of the airways, causing them to narrow Increased mucus production Damage to cilia, allowing mucus to clog airways and worsen symptoms Decreased lung function Severe symptoms, which may trigger asthma attacks What about allergies and secondhand smoke

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Ongoing innovation and implementation research will be key to translating proven interventions into tangible improvements in population health endpoints

Wicks et al

Varenicline is the most effective single medication, Karam-Hage says