Newsrooms constantly receive carefully curated press releases from companies and, while they usually form one side of the story, a new study has found that, when it comes to the fast food industry, a number of Australian media outlets aren’t fulfilling their half of the bargain. Health reporter Natasha May tells Matilda Boseley how news outlets are producing ‘covert marketing’ for fast food brands despite public health concerns about the poor nutritional quality of their menus You can support the Guardian at theguardian.com/fullstorysupport