Microplastics Found Deep in Lungs of Living People

Microplastic pollution has been discovered lodged deep in the lungs of living people for the first time. The particles were found in almost all the samples analyzed. 

The scientists said microplastic pollution was now ubiquitous across the planet, making human exposure unavoidable and meaning, “there is an increasing concern regarding the hazards” to health. 

Samples were taken from tissue removed from 13 patients undergoing surgery and microplastics were found in 11 cases. The most common particles were polypropylene, used in plastic packaging and pipes, and PET, used in bottles. 

People were already known to breathe in the tiny particles, as well as consuming them via food and water. Workers exposed to high levels of microplastics are also known to have developed disease. 

Microplastics were detected in human blood for the first time in March, showing the particles can travel around the body and may lodge in organs. The impact on health is as yet unknown. But researchers are concerned as microplastics cause damage to human cells in the laboratory and air pollution particles are already known to enter the body and cause millions of early deaths a year. 

“We did not expect to find the highest number of particles in the lower regions of the lungs, or particles of the sizes we found”, said Laura Sadofsky at Hull York medical school in the UK, a senior author of the study. “It is surprising as the airways are smaller in the lower parts of the lungs and we would have expected particles of these sizes to be filtered out or trapped before getting this deep”. 

“This data provides an important advance in the field of air pollution, microplastics and human health”, she said. The information could be used to create realistic conditions for laboratory experiments to determine health impacts. 

The research “Detection of microplastics in human lung tissue using μFTIR spectroscopy”, which has been accepted for publication by the journal Science of the Total Environment, used samples of healthy lung tissue from next to the surgery targets. It analysed particles down to 0.003mm in size and used spectroscopy to identify the type of plastic. It also used control samples to account for the level of background contamination. 

Previously, another study “Presence of airborne microplastics in human lung tissue” in Brazil on autopsy samples found microplastics in 13 of the 20 people analysed, whose average age was higher than those assessed by Sadofsky’s study. Polyethylene, used in plastic bags, was one of the most common particles. The researchers concluded: “Deleterious health outcomes may be related to… these contaminants in the respiratory system following inhalation” (Journal of Hazardous Materials, Volume 416, August 15, 2021).

I also read that children are more vulnerable to plastic toxicity as its impacts in this period of life are less reversible than for adults. It affects children even before birth. And it seems studies have shown the effect of toxic additives in plastics in the brain development and hormone production of the fetus.

Huge amounts of plastic waste are dumped in the environment, and microplastics contaminate the entire planet, from the summit of Mount Everest to the deepest oceans. Microplastics have been found even in the placentas of pregnant women, and in pregnant rats they pass rapidly through the lungs into the hearts, brains and other organs of the foetuses. 

Right now, you may think that humans becoming plasticized may be the stuff of science fiction but you never know! Blame it on my overactive imagination! If you know me, I possess a fantasy prone personality!