Microplastics are gaining attention as a growing environmental and health concern, increasingly associated with negative effects on both wildlife and humans.
A study awaiting publication in the Journal of the Endocrine Society has shown that the impact of microplastics might extend to future generations.
What’s happening?
The abstract of the study notes, “Microplastics (MPs) are small plastic particles emerging as significant environmental pollutants, and humans are ubiquitously exposed to microplastics.”
According to the researchers, exposure to microplastics has been tied to long-term health issues, and earlier studies have even discovered these particles in human reproductive tissues.
The authors pointed out that while parental exposure to environmental pollutants typically raises the risk of cardiometabolic diseases in children, the specific impact of microplastics as a unique pollutant had not been explored.
In the study, researchers exposed male mice to microplastics to determine if their offspring would experience more frequent cardiometabolic issues, such as Type 2 diabetes or obesity.
Using a new sequencing technique, the team found it surprising that female offspring of these male mice showed “exacerbated insulin resistance” compared to male offspring.
They concluded that “parental microplastic exposure may have intergenerational adverse impact on offspring metabolic health.”
Why is this study concerning?
The authors stressed that microplastics are indeed everywhere.
Plastic materials can take hundreds of years to decompose, and with increasing production yearly, our exposure to these harmful particles also rises. Microplastics have been detected not only in water, soil, and air but also in some of the most remote areas on Earth.
Researchers found microplastics in human reproductive tissue, as well as various parts of the human body, including brain tissue, organs, and blood. Given their widespread presence, completely avoiding microplastics is virtually impossible.
The number of studies linking microplastics to negative health results is growing, revealing an escalating environmental and health challenge.
While much research focuses on immediate effects, this study emphasized that microplastics could harm future generations even without direct exposure. Lead author Changcheng Zhou highlighted this concern, mentioning the implications for humans during a discussion at the University of California, Riverside.
“These findings from a mouse study likely have implications for humans. Men planning to have children should think about reducing their exposure to harmful substances like microplastics to safeguard their own health and that of their future children,” Zhou advised.
What’s being done about microplastics?
While microplastics are common in the environment, there are steps to minimize direct exposure, which Zhou recommends for those planning to become parents.
Using less plastic and opting for plastic-free alternatives for everyday products can greatly decrease exposure to microplastics.
