"Thousands of tonnes of plastic pollution 'could be' escaping into the environment every year … from our mouths. "<p>First: 'could be', let me know when you have some verifiable information.<p>Second: "Global plastic waste generation has grown more than seven-fold in the past four decades to 360 million metric tons per year. " <a href="https://www.statista.com/topics/5401/global-plastic-waste/" rel="nofollow">https://www.statista.com/topics/5401/global-plastic-waste/</a><p>Thousands of tons versus a global problem of 360 million tons. If you want to chew gum or not, your choice won't make any difference to the real problem of plastic pollution.