Microplastics, once thought to be an environmental issue, are now emerging as a significant health risk. Recent studies confirm their presence in nearly every organ of the human body, including the brain, heart, and lungs. A new study by the University of California, San Francisco (UCSF) has established a disturbing link between airborne microplastics and serious health problems like lung and colon cancers.
Microplastics, primarily from tire wear and degrading plastic waste, are becoming a growing air pollution concern. These minuscule particles, smaller than a grain of rice, infiltrate the air we breathe and have been associated with various health risks, including infertility, poor lung function, chronic pulmonary inflammation, and even cancer. They can deeply penetrate lung tissues, where they may cause DNA damage and cell mutations—both major contributors to cancer development.
Every year, nearly 460 million metric tons of plastic are produced worldwide, and a significant amount of it ends up in the air we breathe due to tire wear and road friction. As these particles circulate in the atmosphere, they pose long-term health threats.
Experts urge stronger regulation and public awareness about reducing microplastic exposure. While further research is necessary, existing evidence calls for immediate action to reduce plastic pollution, promote better recycling, and minimize personal exposure, especially in highly polluted areas.
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