1. United Kingdom chief medical officers’ commentary on screen-based activities and children and young people’s mental health and psychosocial wellbeing: a systematic map of reviews. 7 February 2019. https://assets.publishing.service.gov.uk/government/uploads/system/uploads/attachment_data/file/777026/UK_CMO_commentary_on_screentime_and_social_media_map_of_reviews.pdf.
2. Sally Davies steps down as England’s chief medical officer
3. The nanny state index. http://nannystateindex.org/food-drink-2017.