Microplastics, like these found on a beach, break down into even smaller particles that can be inhaled or even absorbed through the skin. Getty Images/iStockphoto

Q: The more I read about microplastics, the more I want to do something to lower my family's exposure to them. Any thoughts? Also, what is so much worse about microplastics than dust or pollen?

A: For those who are not familiar, the term “microplastics” refers to tiny particles of plastic that range in size from smaller than a grain of sand to microscopic.

Some of these particles are added to a wide range of products to act as thickeners or exfoliants, or to add structure and texture. However, the majority enter the environment when products made with plastic undergo wear and tear.

It is estimated that between 10 and 40 me

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