New Study Reveals Significant Inhalation of Microplastics
A recent study suggests that individuals may inhale over 70,000 microplastic particles daily within indoor environments, which is considerably more than earlier estimates. Alarmingly, many of these particles are tiny enough to reach deep into our lungs.
Plastic pollution is a major environmental challenge today, affecting everything from our waterways to our bloodstream. These tiny plastic fragments can enter our bodies not only through food and beverages but also via the air we breathe.
Related: You Inhale a Credit Card of Plastic Every Week. Here’s Where It Goes.
Researchers at the Université de Toulouse in France measured how much plastic dust we inhale daily. They collected 16 air samples from indoor spaces such as their apartments and vehicles, then utilized Raman spectroscopy to determine the concentration of microplastics present.
The findings are striking. The median concentration of microplastics reported in apartment air was 528 particles per cubic meter, while that in cars reached a staggering 2,238 particles per cubic meter. Notably, 94 percent of these particles were under 10 micrometers, which facilitates deep lung tissue penetration.
From their analysis, the researchers estimated that adults inhale roughly 71,000 microplastic particles each day from these environments, with 68,000 being less than 10 micrometers.
The researchers stated, “The concentration we found is 100-fold higher than previous extrapolated estimates.” They noted that most people spend around 90 percent of their time indoors—at home, work, or public places—often without realizing they are inhaling microplastic pollution.
The exact effects of these microplastics on human health remain ambiguous, but experts believe they could pose serious risks, including increasing the likelihood of certain cancers and fertility issues, as well as potential links to strokes and other health complications.
There’s a pressing need for further research to explore the biological impacts of microplastics and ways to minimize our exposure.
This research appeared in the journal PLOS One.
