Science & technology | Well informed

Should you worry about microplastics?

Little is known about the effects on humans—but limiting exposure to them seems prudent

A person's silhouette made up from a mix of multi coloured fragments of plastic
Illustration: Cristina Spanò

Ever since Austrian scientists first began looking for them in people in 2018, microplastics have turned up in the blood, lungs, kidneys, liver, heart and even the brain. They have also been detected in the placenta and breastmilk.

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