Scientists are raising concern after microplastics have been found in human blood for the first time.
Dutch scientists found 17 of 22 volunteers or 8/10 had a 'quantifiable' amount of the tiny plastic particles in their bodies.
The most common detected plastic was PET, which is used to make drinks bottles (almost 50% of volunteers had this), and others included polystyrene and polyethylene.
Experts have said the long-term consequences are not yet known.
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