Ethan Clarke
Plastic has been found in human stool samples, according to a small pilot study from the Medical University of Vienna and the Environment Agency Austria. Researchers tested stool samples from eight individuals in eight different countries: Finland, Italy, Japan, the Netherlands, Poland, Russia, the UK, and Austria. Each participant kept a food diary during the week before providing a stool sample. All of the stool samples tested positive for microplastics, with an average of 20 particles of plastic per 10 grams of stool. The findings suggest that more than 50% of the world population may have microplastics in their stools. While the health impacts of microplastics on humans are not yet fully understood, the presence of plastic in human stool highlights the need to reduce plastic use, increase recycling, and improve disposal methods.
| Characteristics | Values |
|---|---|
| Number of participants in the study | 8 |
| Countries of origin of participants | Austria, Italy, Finland, Japan, the Netherlands, Poland, Russia, and the UK |
| Number of different plastic types found | 9 |
| Average number of plastic particles per 10 grams of stool | 20 |
| Size of plastic particles | 50 to 500 micrometers |
| Commonly found plastics | Polypropylene, Polyethylene terephthalate, Polystyrene |
| Source of plastic particles | Food wrapped in plastic, drinking water from plastic bottles, ingestion of sea fish |
| Potential health impact | Infiltration of the bloodstream, lymphatic system, and liver |
| Action taken | Banning of microbeads, banning of plastic bags, banning of plastic straws, emphasis on recycling |
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What You'll Learn
Microplastics found in human stools for the first time
Microplastics have been found in human stools for the first time, according to a study. The small study examined stool samples from eight participants from Europe, Japan, and Russia. All of their stool samples were found to contain microplastic particles, with up to nine different plastics found out of 10 varieties tested for, in particles of sizes ranging from 50 to 500 micrometres. Polypropylene and polyethylene terephthalate were the plastics most commonly found. On average, 20 particles of microplastic were found in each 10g of excreta.
The sources of the plastic found in the stool samples are unknown. The people studied kept a food diary that showed they were all exposed to plastics by consuming food wrapped in plastic or drinking from plastic bottles. None of those participating in the study were vegetarians, and six of the group ate seafood.
The findings of this study confirm what researchers have long suspected, that plastics ultimately reach the human gut. Previous studies on animals have also found plastics in the gut. Microplastics have been found in tap water, the oceans, and even in flying insects. An investigation in Italy also found microplastics present in soft drinks.
Philipp Schwabl, a researcher at the Medical University of Vienna who led the study, said: "This is the first study of its kind and confirms what we have long suspected, that plastics ultimately reach the human gut. Of particular concern is what this means to us, and especially patients with gastrointestinal diseases." Schwabl and his team hope to do larger follow-up studies to verify their findings and to further explore the possible effects on human health.
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Plastic particles may be widespread in the human food chain
Plastic particles have been found in human stool samples from several countries, suggesting that they may be widespread in the human food chain. A small pilot study conducted by researchers from the Medical University of Vienna and the Environment Agency Austria analyzed stool samples from eight individuals in eight different countries: Finland, Italy, Japan, the Netherlands, Poland, Russia, the UK, and Austria. Every stool sample tested positive for up to nine different plastic types, with an average of 20 plastic particles per 10 grams of stool. The most commonly found plastics were polypropylene and polyethylene terephthalate, which are major components of plastic bottle caps and plastic bottles.
The presence of plastic particles in human stool samples is a concerning finding that highlights the potential impact of plastic pollution on human health. Plastic use is pervasive in modern life, and it is challenging to remove it entirely from the food chain. Plastic particles have been detected in various foods and beverages, including seafood, salt, bottled water, and soft drinks. The sources of the plastic found in stool samples are unknown, but the participants in the study consumed food wrapped in plastic and drank from plastic bottles.
While the health effects of microplastics on humans are not yet fully understood, animal studies have shown that microplastic particles can enter the bloodstream, lymphatic system, and liver, with potentially harmful consequences for organs, intestines, and hormone regulation. The smallest microplastic particles, measuring less than 5 millimeters, are capable of infiltrating the human body and may have unknown impacts on health. Further research is needed to understand the potential health impacts of microplastics on humans and to address the widespread presence of plastics in the human food chain.
Philipp Schwabl, a researcher at the Medical University of Vienna who led the study, expressed concern about the presence of plastics in the human gut, especially for patients with gastrointestinal diseases. Schwabl and other experts emphasize the need to reduce plastic usage and find ecological and sustainable alternatives. The European Parliament has voted for an EU-wide ban on microplastics in cosmetics, and several nations have banned plastic bags completely. These steps are crucial in addressing the global plastic pollution crisis and mitigating its potential impacts on human health.
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Microplastics may be harmful to humans
Microplastics have been found in human stool samples, confirming that humans are consuming plastic particles. A small study of eight participants from Europe, Japan, and Russia found microplastics in all stool samples, with up to nine different plastics out of ten varieties tested for. The presence of microplastics in human stool samples suggests that these particles may be widespread in the human food chain.
While the specific sources of the plastic found in the stool samples are unknown, the participants in the study consumed food wrapped in plastic or drank from plastic bottles. The ingestion of microplastics by humans is a cause for concern due to the potential health risks associated with these particles. However, the extent of these risks is not yet fully understood, and more research is needed to determine the precise impact on human health.
Animal studies have shown that microplastics can infiltrate the bloodstream, lymphatic system, and liver, with potentially harmful consequences for organs, intestines, and hormone regulation. In birds, plastic ingestion has been found to remodel finger-like projections in the small intestine, disrupt iron absorption, and stress the liver. Similar effects in humans could have significant health implications.
Furthermore, microplastics have been detected throughout the human body, including in the blood, saliva, liver, kidneys, placenta, breast milk, and meconium (an infant's first stool). The presence of microplastics in breast milk and infant stool raises particular concern, as infants are more vulnerable to the potential harmful effects of these particles.
The concentration of microplastics in infant feces is significantly higher than in adults, indicating that infants may be exposed to higher levels of microplastics. This exposure could potentially impact their development and long-term health. Additionally, studies in mice have found reproductive effects such as reduced sperm count and quality and ovarian scarring in offspring.
While the full extent of the harm caused by microplastics to humans is not yet known, the potential risks are significant enough to warrant concern. It is essential to reduce plastic use, increase recycling, and improve waste disposal to minimize the impact of microplastics on human health and the environment.
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Microplastics found in stool samples from multiple countries
Microplastics have been found in stool samples from multiple countries, sparking concerns about the potential health risks associated with plastic ingestion. In 2018, a small pilot study analyzed stool samples from eight individuals across Europe and Asia, specifically from Austria, Finland, Italy, Japan, the Netherlands, Poland, Russia, and the United Kingdom. The study detected microplastics in every sample, with up to nine different types of plastic polymers present, including polypropylene and polyethylene terephthalate. On average, 20 plastic particles were found in every 10 grams of stool.
The sources of the plastic ingested are not entirely clear, but food diaries kept by the participants revealed exposure to plastic through food wrapped in plastic and drinking water from plastic bottles. Six out of eight participants also consumed seafood, which has been known to contain microplastics. The study's authors emphasized the need to reduce plastic use, increase recycling, and improve waste disposal methods.
While the health implications for humans are not yet fully understood, animal studies have shown that microplastics can enter the bloodstream, lymphatic system, and liver, causing potential harm to organs, intestines, and hormone regulation. The small size of microplastics, ranging from 50 micrometers to 5 millimeters, allows them to penetrate the gut lining and potentially enter the circulatory system and other organs.
The presence of microplastics in human stool samples underscores the pervasiveness of plastic pollution in our environment and food chain. It highlights the importance of further research to understand the extent and health consequences of microplastic ingestion and to develop sustainable alternatives to plastic.
This discovery of microplastics in stool samples from diverse countries underscores the global nature of the plastic pollution crisis and the urgency of addressing it through collective efforts.
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The need to reduce, recycle, and dispose of plastics
Plastic pollution is a pressing global issue, and it has now been confirmed that microplastics are present in human stools. This discovery underscores the urgency of reducing, recycling, and properly disposing of plastics to safeguard our health and the environment.
Reduce Plastic Consumption
The pervasive use of plastics in modern life has led to their presence in our food and water sources, with microplastics detected in seafood, salt, bottled water, and even tap water. To break this cycle, it is essential to reduce plastic consumption. Individuals can contribute by refusing single-use plastics, such as disposable bottles, bags, and utensils, and opting for reusable alternatives instead. Bringing your own bags for shopping, refusing plastic utensils with takeout orders, and choosing reusable water bottles are simple yet impactful steps.
Recycle Plastics
Recycling plays a crucial role in managing plastic waste. However, it is important to recognize that not all plastics are recyclable, and the recyclability of a plastic item depends on your local community's recycling program. Familiarize yourself with the accepted plastics in your area by checking the symbols on plastic items and consulting local resources. Additionally, consider purchasing products made from recycled plastic materials to support the recycling industry.
Proper Disposal of Plastics
Proper disposal of plastics is vital to prevent further environmental contamination. Some plastics, like compostable plastics, are not meant for recycling and should be handled separately. Contact your local garbage and recycling company to understand the proper disposal methods for different types of plastics. For medical plastic waste, which includes items like PPE, gloves, and syringes, there is an urgent need for safer and cleaner disposal methods to protect ecosystems and agricultural soil health.
The presence of microplastics in human stools is a stark reminder of the far-reaching consequences of plastic pollution. By reducing our plastic consumption, recycling whenever possible, and disposing of plastics properly, we can collectively work towards minimizing the impact of plastics on our health and the environment.
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Frequently asked questions
Yes, microplastics have been found in human stool samples from across the world.
Microplastics are particles of plastic less than 5mm in size. They can be created for use in products such as cosmetics, or by the breakdown of larger pieces of plastic.
Microplastics can enter the human body through food and liquids. They are ingested by marine life and other animals, which are then consumed by humans. They can also enter our food through plastic packaging.
