Are we poisoning ourselves? Tiny pieces of plastic are all around us. Scientists say they have even entered our bodies.
Plastics found in brain hours after eating
Dire diet: Some 200 million tonnes of plastic are used to pack food and drink each year. Glossary
Gut - The tube food passes through when it leaves the stomach.
Cotton - A soft, white substance that grows as part of the cotton plant and can be made into fabric.