Meghan Hodges
With growing evidence of the contribution of environmental toxins to chronic diseases, it is becoming increasingly important to reduce our exposure to pollutants and toxins. Toxins such as DDT, PCBs, and cadmium have long half-lives and are extremely difficult to break down and excrete, making avoidance critical. These toxins can enter our bodies through air, food, and water, and even products we use frequently. They can cause a range of health problems, including asthma, brain damage, and cancer. While individual actions alone may not be sufficient to prevent exposure, there are several ways to reduce our exposure to these harmful substances, including making conscious choices about chemical use, improving ventilation, and adopting good hygiene practices.
| Characteristics | Values |
|---|---|
| Keep surroundings free of chemicals | Choose less toxic alternatives, ventilate the home, wash hands and surfaces, and keep children away from hazardous substances. |
| Avoid pesticides | Pesticides are toxic chemicals that can cause brain and nervous system damage, asthma, and cancer. |
| Reduce plastic usage | Plastics can leach toxins phthalates into food and drinks. |
| Vacuum with a HEPA filter | Vacuuming with a HEPA filter can help remove contaminants from the home. |
| Wash hands frequently | Hand-washing can prevent the ingestion of toxins and reduce the spread of germs. |
| Avoid hand sanitizer | Hand sanitizers can leave a coating of chemicals on the hands, which can be ingested during meals. |
| Use a water filter | Water filters can help remove contaminants from drinking water. |
| Reduce exposure to lead | Lead exposure can cause brain damage and increase the risk of cancer. |
| Avoid dry cleaning | Most dry cleaners use chemicals that can pollute the air in the home. |
| Exercise away from sources of air pollution | Exercising away from traffic or factories can reduce exposure to air pollutants. |
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What You'll Learn
Avoid pesticides, plastics, and canned foods
Pesticides are designed to have an effect on living things, and they can be harmful to people and the environment. To decrease exposure to pesticides, it is important to read labels and follow instructions on how to properly use, store, and dispose of these products.
To avoid pesticides in your diet, opt for organic produce and consider growing your own fruits and vegetables or buying from local farms. When it comes to plastics, a conscious effort can be made to reduce plastic consumption. This can be done by using reusable bags for groceries, opting for products in glass packaging, and choosing alternatives like shampoo bars and detergent powders.
Plastics are pervasive in our daily lives, but small changes can make a big difference. For example, instead of buying meat in plastic containers, you could try buying fresh meat from a butcher or grocery store and using your own containers. Similarly, you can avoid canned foods by purchasing alternative packaging or cooking from scratch. Glass packaging is a safe and reusable option for many products, including spaghetti sauce, fruits, and olives.
For baking staples like evaporated and condensed milk, you can even try making your own with recipes from websites like Allrecipes.com and Food.com. Finally, to reduce exposure to toxins from canned foods, it is recommended to minimise their use. Canned goods are often filled with sodium, added sugars, and BPA, which has been linked to cancer, heart disease, and other health issues. Even reducing canned food intake for a few days can significantly lower the concentration of BPA in the body.
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Vacuum with a HEPA filter
HEPA stands for High-Efficiency Particulate Air. A HEPA filter is a type of vacuum cleaner filter that can trap a large amount of very small particles that would otherwise be recirculated back into the air of your home. These filters are designed to remove at least 99.97% of airborne particles that are 0.3 microns or larger. This includes dust, mould spores, pollen, and pet dander.
Vacuums with HEPA filters are ideal for allergy sufferers and those looking to improve their indoor air quality. Standard vacuum filters, while effective at capturing larger debris, are less efficient at capturing smaller particles. They may allow smaller particles to pass through and be released back into the air when the vacuum cleaner is operated or emptied, or when the bag is changed.
HEPA filters are also superior in terms of longevity. Unlike other purifying filters that must be replaced frequently, HEPA filters remain efficient for a long time. They don't deteriorate quickly, and filtration becomes even better when they are dirty.
However, it's important to note that a top-tier filter alone is not enough to clean the air. Even a vacuum with elite air-scrubbing performance will reduce but not eliminate your exposure to pollution at home. Some models have air gaps that allow debris to shoot sideways out of the vacuum. Additionally, vacuums, while they're turned on, create entirely new ultrafine particles that spew forth from the motor.
The frequency of replacing a HEPA filter depends on how often the vacuum cleaner is used and the environment in which it is used. Generally, it is recommended to replace a HEPA filter every 6 to 12 months. Indicators that your HEPA filter needs replacing include reduced suction power, unusual odours, and visible dust or dirt around the filter area.
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Wash hands, fruits, and vegetables
Washing your hands and produce is a crucial step in reducing your exposure to pollutants and toxins. According to the FDA, eating a variety of fruits and vegetables is essential for a healthy diet. However, these foods can carry harmful germs and bacteria, leading to foodborne illnesses. Here are some detailed instructions on how to wash your hands, fruits, and vegetables effectively:
Washing Your Hands
Proper handwashing is an important step in reducing the transfer of pollutants and toxins. Before and after handling fresh produce, wash your hands with soap and warm water for at least 20 seconds. This simple act can help remove harmful bacteria and reduce the risk of food contamination.
Washing Fruits and Vegetables
The first step in washing produce is to choose the right method. Rinsing with cold running water is often the simplest and most effective way to remove surface pesticide residues and dirt. Place the fruits or vegetables under the running water and use your hands or a clean brush to gently rub the surface, especially for thicker-skinned produce like potatoes and carrots.
For more intensive cleaning, you can create a natural solution by mixing baking soda and salt with water. Soak your produce in this mixture for 10-15 minutes, then rinse thoroughly under cold running water. This method is chemical-free and helps neutralise acids and remove residues.
Additionally, commercial produce washes are available, specifically designed to remove pesticides and residues. Follow the instructions on the label, which usually involve soaking the produce in the solution before rinsing.
For certain fruits and vegetables with edible skin, such as cucumbers and tomatoes, peeling can be an effective way to remove pesticides. However, it is important to note that peeling may result in some loss of nutrients.
Other Considerations
While washing is an important step, it may not remove all residues. To further reduce exposure to pollutants and toxins, consider the following:
- Buy organic produce: Organic farming practices limit the use of synthetic pesticides, resulting in lower pesticide residues.
- Diversify your diet: Consume a wide range of fruits and vegetables to minimise the potential impact of pesticides from any single source.
- Proper storage: Store fresh, perishable produce in the refrigerator at or below 40°F (4°C) to prevent contamination due to improper storage.
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Ventilate your home
Ventilating your home is a great way to decrease exposure to pollutants and toxins. Here are some ways to do this:
Open doors and windows on opposing sides of the room to create a cross breeze and facilitate airflow. Keep these open for 5-10 minutes, and the furnishings and walls will retain residual heat, so the room temperature will quickly restore. This method is especially useful during the winter when indoor air can become stagnant.
Keep filters clean on heating, ventilating, and air conditioning systems. Change these regularly to ensure they are working effectively. Keep relative humidity below 60%, as this may require a dehumidifier in some areas to prevent mould and the mycotoxins that come with it.
Be mindful of the products you bring into your home. Avoid PVC products, and opt for natural fibres such as cotton, linen, wood, bamboo, silk, or hemp. Avoid dry cleaning your clothes, as perchloroethylene (PERC) is a common chemical used in the process that can pollute indoor air. Instead, hand wash or ask your dry cleaner to wet clean your items.
Houseplants are a great way to ventilate your home naturally. Researchers from NASA have identified certain varieties that are useful in absorbing harmful gases and cleaning the air inside homes.
Finally, be mindful of potential sources of toxins and take preventative measures. For example, washing dishes carefully, cleaning up food residue, and sealing food packages can help prevent pest infestations and the need for pesticides.
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Reduce exposure to lead and radon gas
Radon is a radioactive gas that occurs naturally and can be found in the air outside, but it can also build up inside buildings and homes. There is no known safe level of radon, and it can negatively impact your lung health. To reduce radon exposure, it is recommended to increase ventilation and seal cracks in your home. Getting your home tested for radon by a professional is also an important step in understanding your risk. If your radon levels are high, consider contacting a qualified professional to install a radon reduction system, such as a soil depressurization system, which pulls radon from beneath the house and vents it outside.
To reduce exposure to lead, it is important to be aware of potential sources, especially if you have children. Lead dust on surfaces, paint chips, and soil are common sources of lead exposure. Homes built before 1978 may contain lead-based paint, so it is important to inspect for any chipping or peeling paint and to maintain the paint to keep it in good condition. Regularly clean floors, window sills, and other surfaces with a damp cloth to remove lead dust. Wash children's hands frequently, especially before meals and after playing outside, and wash their toys and other items they may put in their mouths. Avoid using imported, old, or handmade pottery for food or drinks, and do not use home remedies or cosmetics that may contain lead. If you work with lead, change your clothes and shower before going home to avoid tracking lead into your living space.
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Frequently asked questions
Here are some ways to reduce exposure to pollutants and toxins at home:
- Vacuum with a HEPA filter to get contaminants out of your house.
- Wash your hands, fruits, and vegetables to reduce chemical exposure.
- Avoid hand sanitizers before meals as they can leave your hands coated with chemicals.
- Install a good water filter to reduce exposure to toxic chemicals in the water.
- Avoid dry cleaning your clothes. Most dry cleaners use a chemical called perchloroethylene (PERC), which can pollute the air in your home.
To reduce exposure to pollutants and toxins in the air, you can:
- Exercise as far away as possible from sources of air pollution, such as traffic or factories.
- Check air quality forecasts and avoid exercising on days with bad air quality.
- Avoid spraying bugs and using pesticides, which are toxic chemicals made to kill unwanted insects or weeds.
To reduce exposure to pollutants and toxins in food packaging:
- Reduce greasy packaged foods and fast foods in your diet, such as microwave popcorn, French fries, and pizza.
- Look for products packaged in glass or lined cardboard instead of cans.
- Avoid canned foods when possible and opt for fresh or frozen fruits and vegetables.
To reduce your child's exposure to pollutants and toxins:
- Encourage frequent hand-washing to prevent them from ingesting toxins like fire retardants in house dust.
- Keep children away from hazardous substances in storage or in use.
- Reduce the use of pesticides in and around your home. Studies have linked overexposure to pesticides with brain and central nervous system damage, behavior problems, asthma, and cancer.
