
Chewing on plastic items is a common habit, especially among children. It is often associated with stress and anxiety, and some people may chew on plastic to calm themselves or relieve nervousness. While the potential health effects of ingesting plastic are not fully understood, it is known that humans consume thousands of plastic particles, known as microplastics, every year. These microplastics can come from various sources, including food, water, and inhalation. Although it may not be deadly, chewing on plastic can cause gum irritation and dental issues, and it is recommended to provide safer alternatives for those who need to chew, such as chewable necklaces or bracelets.
| Characteristics | Values |
|---|---|
| Is chewing on plastic harmful to health? | It is unclear how microplastics affect our health. However, chewing on plastic items can cause gum injuries and irritation. |
| Why do people chew on plastic? | Chewing on non-food items is common across all ages and is usually related to stress and/or anxiety. It is also observed in children with developmental delays, dental issues, or conditions like Pica, sensory processing disorder, autism, learning disabilities, or ADHD. |
| How to stop chewing on plastic? | Provide safe alternatives such as chewable necklaces, bracelets, or pencil toppers. |
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What You'll Learn

Plastic chewing as a stress relief mechanism
Chewing on plastic is a common habit, especially among children, who often chew on plastic toys, straws, and bottle caps. However, it is not advisable due to the potential health risks associated with ingesting plastic. While it may provide temporary stress relief, there are safer alternatives that can serve the same purpose.
Chewing on plastic items can be a result of stress and anxiety, as it is believed to provide a sense of calming and self-soothing. The repetitive motion of chewing can help to relieve tension and provide a form of stress relief for some individuals. This habit is particularly common among those with anxiety disorders or sensory processing disorders. The act of chewing provides proprioceptive feedback to the brain, which can be very calming and organizing, especially for individuals with sensory processing differences or neurological delays.
However, the potential health risks associated with chewing on plastic cannot be overlooked. Plastic is not meant to be ingested and can pose serious health hazards. Firstly, chewing on hard plastic items can damage teeth and gums, leading to dental issues and gum inflammation. Additionally, there is a risk of ingesting small plastic particles, known as microplastics, which can have unknown effects on our health. These microplastics are pervasive in our environment, found in food, water, and air, and humans are estimated to consume thousands of these particles annually. While the exact health consequences are still being studied, it is clear that consuming plastic is not beneficial and could potentially lead to toxic effects or other negative impacts on our bodies.
To address the habit of chewing on plastic for stress relief, it is important to provide safer alternatives. Chewable necklaces, bracelets, and pencil toppers made from food-grade materials can be offered to children or adults with the urge to chew. These alternatives satisfy the need to chew without exposing individuals to the risks associated with plastic ingestion. Additionally, addressing the underlying stress and anxiety through therapeutic interventions or stress management techniques can help reduce the compulsion to chew on plastic items.
In conclusion, while chewing on plastic may provide temporary stress relief, it is not a safe or sustainable habit. The potential health risks, including dental issues and the ingestion of microplastics, outweigh any perceived benefits. By providing safer chewing alternatives and addressing the underlying causes of stress and anxiety, individuals can break this habit and find healthier ways to manage their stress.
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The dangers of chewing plastic
Chewing on plastic is a common habit, especially among children. However, it is a dangerous practice that can lead to various health issues and should be avoided. Here are some of the dangers associated with chewing plastic:
Irritation and Dental Issues
Chewing on hard plastic items can irritate the gums and mouth. It can also damage teeth, leading to dental problems. In some cases, sharp plastic edges can even cut the gums or mouth, causing pain and increasing the risk of infection.
Choking and Internal Blockages
Small pieces of plastic that are chewed off and swallowed can pose a choking hazard, especially for children. Additionally, ingested plastic pieces can cause internal blockages in the digestive tract, leading to serious health complications.
Exposure to Toxins
Plastic is made from various chemicals, some of which can be toxic. Chewing on plastic can release these toxins into the mouth and body. This exposure to harmful chemicals can have adverse effects on health, especially over an extended period.
Microplastic Consumption
Even when not intentionally chewing on plastic, people still consume thousands of microplastic particles each year. These tiny plastic particles are present in the air, water, and many foods. The health effects of ingesting microplastics are not yet fully understood, but they have the potential to cause harm, especially to those with pre-existing conditions.
Stress and Anxiety
For some people, chewing on plastic is a coping mechanism for stress and anxiety. While it may provide temporary relief, it is not a healthy habit and can lead to other health complications. It is important to address the underlying stress or anxiety through proper stress management techniques or professional help.
Quitting any habit can be challenging, but it is important to break the habit of chewing on plastic due to its potential health risks. If you or someone you know struggles with this habit, it is recommended to seek professional advice and explore alternative coping mechanisms or safe chewing options designed for this purpose.
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Plastic chewing in children
While plastic chewing provides a sense of comfort, it can have negative consequences. Chewing on plastic items can damage teeth and irritate gums, leading to redness and swelling. Additionally, the presence of microplastics in everyday items, including children's toys, clothes, and food packaging, raises concerns about their potential harm to children's health. A study found that infants' faeces contained 10 to 20 times more microplastics than adults', indicating a significant exposure to these tiny particles.
To address plastic chewing in children, it is important to identify the underlying cause. If it is due to stress and anxiety, parents can explore stress management techniques with their children, such as deep breathing or other calming activities. If sensory processing difficulties are a factor, occupational therapy or speech language pathology services may be beneficial.
Providing safe alternatives for children to chew on is also crucial. There are various options available, including chewable necklaces, bracelets, and pencil toppers, which can redirect their chewing behaviour away from plastic items. These alternatives ensure that children can satisfy their need to chew without risking harm to their health or damaging other objects.
It is important for parents to be vigilant and seek professional advice if they are concerned about their child's chewing behaviour, especially if it persists or is accompanied by other symptoms. By understanding the underlying causes and providing appropriate alternatives, parents can help their children develop healthier habits and reduce their exposure to potentially harmful substances.
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Plastic chewing and oral cancer
Chewing on plastic is a common habit, especially among children. However, it is not advisable due to the potential health risks associated with it. While there is no direct link between plastic chewing and oral cancer, plastic items in the mouth can cause gum irritation and damage. For example, chewing on hard plastic items can injure the gums, leading to redness and swelling.
In addition to the local irritation, there are concerns about the ingestion of microplastics, which are tiny pieces of plastic smaller than 5 millimeters. Recent studies have found that chewing on plastic items, such as bottle caps and straws, can release microplastics into the saliva, which are then swallowed and infiltrate the digestive system. While the health effects of microplastics are still being researched, initial findings suggest that they can damage cells and DNA, alter gene activity, and potentially increase the risk of developing cancer.
Furthermore, for individuals who chew tobacco or use smokeless tobacco products, there is an elevated risk of developing oral cancer, specifically squamous cell carcinoma. This type of cancer typically appears as small bumps in the mouth and can progress if not detected early. Therefore, it is crucial to be vigilant about any changes in the mouth and to seek medical advice if needed.
To address the habit of plastic chewing, it is important to understand the underlying causes, which are often related to stress and anxiety. Providing safer alternatives, such as chewable necklaces, bracelets, or therapeutic tools, can help redirect the chewing behavior away from plastic items. These alternatives ensure that individuals can satisfy their chewing needs while minimizing potential health risks associated with plastic chewing.
In conclusion, while plastic chewing may not directly cause oral cancer, it can lead to gum irritation and potentially expose individuals to harmful microplastics. The risks associated with microplastics and the potential for increased cancer risk highlight the importance of finding alternative chewing options to protect overall health and well-being.
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Microplastics in food and water
Chewing on plastic is not advisable, as it can lead to oral health issues such as gum irritation and damage to teeth. While it may not directly cause cancer, as some people fear, it is still a harmful habit that can have negative consequences for oral health.
Now, regarding the presence of microplastics in food and water, this is an area of growing concern. Microplastics have been detected in a wide range of food products, from seafood to terrestrial meats, plant-based proteins, honey, sugar, beer, tea, and even rice. A study found that a single plastic teabag released approximately 11.6 billion microplastic and 3.1 billion nanoplastic particles into the water during brewing. Similarly, rice, especially instant rice, was found to contain three to fourteen milligrams of plastic per serving.
Bottled water is another significant source of microplastics. Older studies identified around 300 nanoplastics in bottled water, while more recent research revealed that a liter of water contained an average of 240,000 plastic particles from seven types of plastics, including nanoplastics. These findings reinforce the advice of experts who recommend drinking tap water from glass or stainless steel containers to reduce exposure to microplastics.
The presence of microplastics in food and water has potential health risks. Nanoplastics, in particular, are a concern as they can invade individual cells and tissues in major organs, potentially disrupting cellular processes and depositing harmful chemicals. A study found that people with microplastics or nanoplastics in the arteries of their necks had a higher risk of cardiovascular events and premature death.
The accumulation of microplastics in the environment is also detrimental to the ecological balance, especially in watery environments. Plastics can absorb and adsorb toxic inorganic substances and organic compounds, which then penetrate the tissues of sea creatures and accumulate in the food chain.
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Frequently asked questions
No, it is not advisable to chew on plastic. Chewing on plastic can cause gum irritation and redness.. It is also unsafe because the plastic may contain toxic chemicals.
Chewing on non-food items is common across all ages, from children to adults. It is often associated with stress, anxiety, or sensory overload. For children, chewing on plastic or other items may indicate underlying sensory issues, dental problems, or developmental delays.
If you or your child has a habit of chewing on plastic, it is important to provide safe alternatives. There are various chewable items available, such as necklaces, bracelets, or pencil toppers, specifically designed for this purpose.
The health effects of ingesting plastic are still being studied. However, it is known that humans consume thousands of microplastic particles annually through various channels, including food, water, and air. These microplastics may harbor toxic chemicals or be vectors for bacteria and parasites.
To reduce plastic consumption and the risk of ingesting microplastics, consider making lifestyle changes such as drinking tap water instead of bottled water and reducing the use of textiles made from synthetic fibers like nylon and polyester.




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