Have you ever thought that some of the things we use every day, like food packaging and clothing, could be hiding chemicals that are harmful to our bodies, but that we don't pay much attention to? These are called PFAS. Some call them 'forever chemicals'. So today, let's talk about what these PFAS are, how they affect our health, and how to protect ourselves from them as much as possible.
What are these 'persistent chemicals' (PFAS)?
Simply put, PFAS (Perfluoroalkyl and Polyfluoroalkyl Substances) are a group of man-made chemicals. They have the amazing ability to repel things like water, oil, and dirt. That is, water and oil don't stick to a surface that has them on it. Just like a drop of water on a lotus leaf.
Because of this property, manufacturers use this chemical called PFAS in many things. Think about the non-stick pan you use in the kitchen. It is because of this chemical that food does not stick to it. It is also:
- Water-repellent clothes
- Stain-resistant carpets and sofas
- Grease-resistant paper
- Some types of makeup (cosmetics)
- Firefighting foam
There's a reason they're called 'forever chemicals'. That's because these chemicals don't break down easily in the environment or in our bodies . They stay that way for years, even decades. Because of this, scientists suspect that they can slowly build up in the environment and in our bodies, causing health problems over time.
How do PFAS affect our bodies? (Health risks)
These PFAS, which enter our bodies through the water we drink and the food we eat, are not easily eliminated, so they accumulate in the body. Studies show that elevated levels of PFAS in the body can cause various health problems. But remember, research into these is still ongoing.
The important thing is that not everyone exposed to PFAS will develop these diseases. But the risk may be increased. So it is very important to be aware of this.
Below are some of the major health risks that may arise from PFAS.
| Affected system/organ | Possible health problem |
|---|---|
| Cholesterol level | Increased cholesterol levels in the body. |
| Pregnancy and children | The risk of delayed fetal growth, low birth weight, childhood obesity, and high blood pressure during pregnancy (preeclampsia). |
| Immune system | Weakening of the immune system, reduced effectiveness of vaccines. |
| Cancer risk | Increased risk of kidney, prostate, and testicular cancers. |
| Other effects | Conditions such as thyroid disease, liver damage, decreased fertility, and ulcerative colitis. |
Is there a connection with high blood pressure?
Yes, some studies have suggested a link between PFAS and high blood pressure. It has been found that higher levels of PFAS are associated with an increased risk of high blood pressure, especially among middle-aged women and pregnant mothers.
How do PFAS enter our bodies?
There are several ways this chemical can enter our bodies. If we are aware of this, we can reduce our exposure.
- Drinking water: The main route of exposure is through drinking water contaminated with PFAS. Areas near factories and firefighting training centers are at higher risk of water contamination.
- Food: Through vegetables, fruits, and animal products such as meat and milk grown in PFAS-contaminated soil or water. Especially by eating fish from contaminated reservoirs.
- Food packaging: PFAS in oil- and water-resistant packaging, such as take-away food boxes and microwave popcorn bags, can be absorbed into food.
- Household products: PFAS can be released when the surface of non-stick cookware is scratched. Also, by breathing in dust particles from carpets and furniture that prevent stains.
- Some beauty products: Some foundations, waterproof mascaras, and nail polishes may also contain PFAS.
How can you protect yourself from these PFAS?
It's difficult to completely avoid these chemicals, as they are now so prevalent in the environment. However, we can significantly reduce our exposure.
1. Be careful with your drinking water: If you use water from a public water supply, check your local water quality report. If your water has high levels of PFAS, it's a good idea to use a certified water filter. When in doubt, it's safer to drink and cook with bottled water.
2. Be careful when using non-stick cookware: If your non-stick pan has scratches or cracks on its surface, it's best to throw it away and switch to stainless steel, cast iron, or ceramic cookware. If you use non-stick cookware, avoid cooking at high temperatures.
3. Think about food packaging: Reduce take-away and fast food as much as possible. A home-cooked meal is always healthier. Avoid heating food from the store in the same packaging.
4. Keep your home clean: PFAS can accumulate in household dust, so vacuum your home regularly and wipe it down with a damp cloth.
5. Read product labels: If a product has words like “PTFE” or “fluoro” in its ingredients list, it likely contains PFAS. Choose products that are labeled “PFAS-free.”
If you have any health concerns or concerns about this, the best thing to do is to see your family doctor (physician) for advice . It is especially important to talk to your doctor about this if you are pregnant or planning to have a baby.
Take-Home Message
- PFAS are a type of 'forever chemicals.' They do not break down easily in the environment or in our bodies.
- These can enter our bodies through non-stick cookware, waterproof clothing, food packaging, and contaminated water.
- Long-term exposure to PFAS can cause health problems such as increased cholesterol, cancer risk, and decreased immunity.
- Exposure can be reduced by avoiding scratchy non-stick cookware, using certified water filters, and reducing fast food.
- If you have any doubts about your health, do not delay and consult your doctor.
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