Perhaps surprisingly, for the second year in a row, there were minimal incidents of e-cigarettes in 2021 films (four incidents in four different films, up slightly from only one incident in one film in 2020), despite its saliency in other media popular with youth (e.g., television and social media)
Chi square tests and analyses of variance (ANOVAs) were used to examine group differences in study characteristics at baseline for categorical and continuous variables, respectively
But yes before kids, it was books
So much of the episode is about regret and having a willingness to face your own mistakes and be honest with yourself about them
Subscribe to BBC Focus magazine for fascinating new Q&As every month and follow @sciencefocusQA on Twitter for your daily dose of fun science facts.
The risk increases with both the duration and intensity of smoking