Adult film ratings to stop kids lighting up A growing body of evidence showing that on-screen smoking makes more kids light up is increasing pressure to assign adult ratings to films that show smoking. Gary Humphreys reports. Bulletin of the World Health Organization 2016;94:82-83. doi: http://dx.doi.org/10.2471/BLT.16.020216 Sanghamitra Pati’s memories of Indian film are veiled in tobacco smoke.