New Discovery: Cigarette Filters Pose Hidden Threat to Environment and Health
Cigarette butts release toxic microfibers into water, endangering human health and the environment, even for non-smokers
Researchers have uncovered a new environmental and health hazard from cigarettes, affecting not only smokers but the wider community.
According to the CDC, tobacco remains the leading preventable cause of death in the U.S., linked to cancer, heart, and lung diseases. However, the dangers now extend to secondhand smoke and environmental contamination from cigarette filters.
Study Findings:
A recent study at University at Buffalo found that discarded cigarette butts release large amounts of microfibers upon contact with water. A single filter can release around 24 microfibers in the first 20 seconds.
Cigarette filters are mostly made of cellulose acetate, a slowly degrading material that releases microfibers resembling microplastics, but more complex, including natural and synthetic fibers that do not decompose over time.
Each filter may contain over 10,000 microfibers, releasing 63 to 144 microfibers over ten days depending on water flow. Estimates indicate that 71 million to 1.4 billion microfibers are released daily in New York City waters alone, highlighting the growing environmental threat.
Health and Environmental Risks:
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These fibers act like toxic sponges, absorbing heavy metals, pathogens, and persistent chemicals
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Can cause cancer, immune system weakening, and congenital defects
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Dual hazard: physical pollution from fibers and chemical pollution from toxic substances
Experts describe this as a completely new harm added to the known dangers of cigarettes, urging awareness and measures to reduce cigarette butt pollution.
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