Microplastics are infiltrating our brains—Synthetic fibers to blame

M A Mohiemen Tanim 3 weeks agoLast Updated: August 24, 2024

0 3 minutes read

A recent study has unveiled a disturbing trend: microplastics, the tiny particles resulting from the degradation of plastic products, are increasingly being found in human brain tissues. This alarming discovery has far-reaching implications, particularly for the T&A industry, which heavily relies on synthetic fibers known to contribute significantly to microplastic pollution. As the evidence mounts, the industry must take decisive action to mitigate its role in this growing environmental and public health crisis.

Understanding the Microplastics Crisis

Microplastics are minuscule plastic fragments, typically less than five millimeters, originating from larger plastic debris breaking down over time. They are pervasive in the environment, present in the air we breathe, the water we drink, and the food we consume. A study published in May 2024 analyzed brain tissues collected at autopsy and found that the concentration of microplastics had increased by approximately 50% compared to samples collected in 2016. Researchers discovered an average of 4,800 micrograms of plastic per gram of brain tissue, or roughly 0.5% by weight, in individuals aged around 45 to 50 years old.

The implications of this finding are profound. Microplastics in the brain could potentially interfere with neurological functions, although the exact health impacts remain unclear. What is certain, however, is that the rising levels of microplastics in human tissues underscore the urgent need for action across all sectors, particularly in industries that contribute significantly to plastic pollution.

Role of Synthetic Fibers in Microplastic Pollution

The T&A industry is a major contributor to microplastic pollution, primarily due to its reliance on synthetic fibers such as polyester, nylon, and acrylic. These materials, derived from petrochemicals, shed microplastics during the production process and during regular wear and washing of garments. According to a study by the International Union for Conservation of Nature (IUCN), synthetic textiles are responsible for 35% of the microplastics released into the oceans.

When synthetic fibers are washed, they release microfibers—tiny strands of plastic that are too small to be filtered out by wastewater treatment plants. These microfibers eventually make their way into rivers, lakes, and oceans, ingested by marine life and entering the food chain. A study published in Environmental Science & Technology found that a single load of laundry can release up to 700,000 microplastic fibers into the environment.

Global production of synthetic fibers has been steadily increasing, driven by the demand for affordable, durable, and versatile fabrics. In 2020, polyester alone accounted for over 52% of global fiber production, with over 60 million tons produced annually. As production continues to rise, so too does the environmental footprint of the industry, particularly in terms of microplastic pollution.

Urgent Need for Industry-Wide Action

Given the significant contribution of synthetic fibers to the microplastics crisis, the textile and apparel industry must take proactive steps to address the issue. Here are some key actions the industry should consider:

Invest in Sustainable Alternatives:
The industry must shift towards sustainable materials that have a lower environmental impact. Natural fibers such as organic cotton, hemp, and wool offer biodegradable alternatives to synthetic fibers. While these materials may have their environmental challenges, they do not contribute to microplastic pollution. Investment in research and development of innovative materials, such as biodegradable synthetic fibers or recycled fabrics, is also crucial.
Improve Washing Technologies:
One of the most significant sources of microplastics from textiles is the washing process. The industry should work with appliance manufacturers to develop washing machines equipped with filters that capture microfibers before they are released into the water system. Several companies have already started developing such technologies, but widespread adoption is necessary to make a significant impact.
Enhance Production Processes:
Reducing the shedding of microfibers during the manufacturing process is another critical area of focus. This can be achieved by improving the quality of synthetic fibers and exploring new manufacturing techniques that minimize fiber fragmentation. Additionally, textile companies should implement stringent waste management practices to prevent microplastics from entering the environment during production.
Consumer Education and Advocacy:
Educating consumers about the environmental impact of synthetic fibers and the importance of sustainable choices is vital. Brands can play a key role by promoting awareness campaigns and offering guidance on how to reduce microfiber pollution, such as using specialized laundry bags or washing clothes less frequently. Moreover, the industry should advocate for stronger regulations on microplastics and support initiatives aimed at reducing plastic pollution.
Collaboration and Innovation:
Addressing the microplastics crisis requires collaboration across the entire supply chain, from fiber producers to garment manufacturers, retailers, and consumers. Industry stakeholders should come together to share best practices, invest in research, and develop solutions that can be implemented at scale. Public-private partnerships and collaboration with environmental organizations can also accelerate progress.

A Path Forward for the Textile and Apparel Industry

The findings of the 2024 study serve as a wake-up call for the textile and apparel industry. The presence of microplastics in human brains, along with their increasing concentration, highlights the urgent need for action. While the industry has made strides in recent years toward sustainability, much more needs to be done to address the specific challenge of microplastic pollution.