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Are Microplastics a Health Concern? What You Can Do to Reduce Exposure



This podcast was aired on the Weekends with Joanne Vrakas show on CJAD on March 29th 2024.

Microplastics have been making headlines recently, raising concerns about their potential impact on human health. These tiny plastic particles are everywhere—in the air we breathe, the water we drink, and even the food we eat. But are they really harmful? And what can we do to limit our exposure? Let’s explore what the latest research says and how you can take simple steps to reduce your risk.

The Health Risks of Microplastics

Microplastics are small plastic particles that originate from various sources, including insecticides, pharmaceuticals, cosmetic products, and synthetic clothing. Because they are so small, they can enter our bodies through ingestion, inhalation, and even absorption through the skin.

Emerging research suggests that high exposure to microplastics may contribute to serious health conditions. A recent study presented at the American College of Cardiology Scientific Session found a link between increased microplastic exposure and a higher risk of stroke. Additionally, researchers have suggested that microplastics could contribute to:

  • High blood pressure

  • Diabetes

  • Chronic inflammation

  • Weakened immune function

  • Hormonal imbalances

  • Plaque buildup in arteries

  • DNA damage

While more studies are needed to fully understand the long-term effects, these findings highlight the importance of minimizing exposure where possible.

Where Are Microplastics Found?

Microplastics are present in our environment, including:

  • Food and beverages: They have been detected in bottled water, seafood, salt, and even fresh produce.

  • Air and dust: Indoor environments can be filled with microplastic particles from synthetic textiles and household products.

  • Household items: Plastic containers, utensils, and packaging can introduce microplastics into our food and drinks.

Since complete avoidance is unrealistic, the goal is to reduce exposure wherever possible.

How to Reduce Your Exposure to Microplastics

Although microplastics are widespread, there are practical steps you can take to limit your contact with them:

In the Kitchen

  • Avoid heating food in plastic containers: Transfer food to glass or ceramic dishes before reheating.

  • Use non-plastic drinkware: Opt for ceramic, glass, or stainless steel cups instead of plastic ones.

  • Drink tap water instead of bottled water: Even glass-bottled water can contain microplastics. If possible, use a non-plastic water filter.

  • Minimize plastic food packaging: While frozen foods often come in plastic, you can bring reusable cotton bags to the grocery store for fresh produce.

In Your Home

  • Choose natural fabrics: Synthetic materials shed microplastics into the air and water. Choose cotton, wool, linen, or silk when possible.

  • Vacuum and dust frequently: Regular cleaning helps reduce microplastic particles in household dust.

  • Be mindful of personal care products: Some cosmetics and skincare items contain microplastics. Check ingredient lists for terms like “polyethylene” and “polypropylene.”

Finding Balance

While reducing exposure to microplastics is a smart choice, it’s important not to stress over it. Some factors, like environmental pollution, are beyond our control. Focus on making small, manageable changes that fit into your lifestyle.

By making informed choices—such as using non-plastic containers, choosing natural fabrics, and keeping your home clean—you can take meaningful steps to reduce your exposure to microplastics without feeling overwhelmed.

Have you taken steps to cut down on plastic use in your home? Share your thoughts and tips in the comments!

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last update: February 2025

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