Where Are Microplastics in Our Bodies?
According to a recent study by the University of California, San Francisco (UCSF), published in the journal Environmental Science & Technology in mid-December, alarming impacts of microplastics on human health have been highlighted. After reviewing 3,000 independent studies, experts concluded that microplastics—tiny plastic particles less than 5mm in size—are silently harming several vital systems in our bodies, including the respiratory, digestive, and reproductive systems.
Microplastics are either the result of plastic degradation or are manufactured directly for commercial purposes, such as in cosmetics and exfoliating products. However, the UCSF research team identified worn tire particles as a significant source of airborne microplastic pollution. When vehicles move, tire friction against road surfaces generates microplastic particles that are released into the air.
Additionally, the natural degradation of larger plastic products, such as plastic bags, bottles, and food wraps, contributes to microplastic pollution. These particles are ubiquitous in the environment—found in oceans, on land, and in the air—putting humans at risk of inhaling or ingesting them in everyday life.
One study estimates that the average American consumes between 39,000 and 52,000 microplastic particles annually through food, water, and air. Even more concerning, microplastics have been detected in various human body parts, including the lungs, liver, blood, and even breast milk, underscoring the pervasive and uncontrollable nature of microplastic pollution.
Microplastics are found in breast milk. (Illustration)
The latest findings from UCSF provide clear evidence of the severe effects of microplastics on reproductive health (testes, ovarian follicles), the immune system, and the digestive (colon, small intestine) and respiratory systems. Scientists observed significant declines in sperm quality, reproductive hormone disruptions, and signs of inflammation in tissues exposed to microplastics.
Given the serious impacts of microplastics, immediate action is essential to mitigate pollution. Some viable solutions include:
- Reducing Plastic Usage: Limit the use of single-use plastic products such as plastic bags, bottles, and disposable utensils. Opt for eco-friendly materials like cloth bags, glass bottles, and stainless steel food containers.
- Effective Plastic Waste Management: Enhance recycling efforts and properly handle plastic waste to minimize its degradation and the release of microplastics into the environment. Investments in waste treatment plants are necessary to ensure more efficient processing.
- Raising Public Awareness: Education and outreach are key to changing community behavior. By understanding the risks of microplastics, people will make more conscious choices in consumption and environmental protection.
Source: Vnexpress
