Inquiries have been increased about whether processed food could one day carry health warnings similar to those on cigarette product packaging. Teacher of health psychology at University College London, Robert West, thinks the government could discover lessons from the anti-tobacco approach in order to get to holds with obesity. Sky's Charlotte Lomas records. Sign up for our YouTube network for more video clips: http://www.youtube.com/skynews Follow us on Twitter: https://twitter.com/skynews as well as https://twitter.com/skynewsbreak Like us on Facebook: https://www.facebook.com/skynews Follow us on Instagram: https://www.instagram.com/skynews For more web content go to http://news.sky.com and also download our applications: Apple https://itunes.apple.com/gb/app/sky-news/id316391924?mt=8 Android https://play.google.com/store/apps/details?id=com.bskyb.skynews.android&hl=en_GB