Plastic pollution has been highlighted as an environmental issue for several years. But experts are now researching whether it poses a potential danger to our health. Microplastics specifically are found in our bodies - even in our brains.
The BBC health reporter Smitha Mundasad explains to us what they are and whether we should be worried. And 25-year-old microplastics researcher and influencer Dana Zhaxylykova shares her top tips on how to avoid plastics.
Instagram: @bbcwhatintheworld Email: whatintheworld@bbc.co.uk WhatsApp: +44 0330 12 33 22 6 Presenter: Hannah Gelbart Producers: Mora Morrison and Emilia Jansson Editor: Verity Wilde