mila kunis smoking a cigarette HQ pictures of #MilaKunis leaving the hair salon in Los Angeles on Sept. 22 https://t.co/qMk6M07LaW Mila Kunis on the set

Risk factors and protective factors

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These were particularly common in period movies like Sherlock Holmes: Game of Shadows and Midnight in Paris (both rated PG-13, both of which had more than 50 tobacco incidents)

Nicotine withdrawal, or quitting smoking, makes a smoker feel uncomfortable and stressed because the amount of nicotine regularly supplied to their body has been stopped

Nitrogen dioxide, released during combustion processes, can inflame the airways and worsen respiratory conditions such as asthma

Published9 September 2025 Vaping poses a small fraction of the risks of smoking, the NHS says, external, since cigarettes release thousands of chemicals when they burn, many of which are poisonous and can cause cancer