Researchers are increasingly worried about microplastics - plastic particles smaller than 5 millimetres across - and if they can damage human health. Studies show they are widespread in our environment - in everyday products in homes and offices; in oceans, rivers, the soil and even in rain over cities.
Over time, people ingest or inhale more of these chemicals than they expel, a process that leads to bioaccumulation in bodies. These specks are small enough to enter our cells or tissues and their toxicity may cause diseases.
A recent analysis identified more than 10,000 unique chemicals used in plastics, many not properly regulated globally. And research shows we might be ingesting anywhere from dozens to more than 100,000 microplastic particles each day depending on what we consume and the amounts.