Researchers have discovered microplastics deep in the lungs of living humans for the first time.
Microplastics are extremely small plastic particles composed of mixtures of polymers and functional additives that measure less than five millimeters in size and are generally unintentionally released into the environment because of the disposal and breakdown of larger consumer products or industrial waste.
Researchers in the study collected lung tissue from living patients undergoing surgical procedures at Castle Hill Hospital and Hull University Teaching Hospitals NHS Trust before filtering it to see what was present.
They observed 39 microplastics in 11 of the 13 lung tissue samples tested, a figure that is significantly higher than any previous laboratory tests.
Researchers identified 12 types of microplastics in total, which are commonly found in bottles, packaging, clothing, and rope, along with other manufacturing processes.






