ASK A SCIENTIST

Do you ever wonder about various aspects of plastics and plastic pollution? Our science director, Trisha Vaidyanathan, PhD is here to shed some light on these questions in her monthly column, “Ask a Scientist.”

Got a question? If you would like to ask a question for Trisha’s consideration, please submit it using this form. Please note that we cannot guarantee an answer to every question we receive.

Does Plastic Impact Our Hearts?
Eve Fox Eve Fox

Does Plastic Impact Our Hearts?

Some microplastics are tiny enough to pass through the lungs or gut and enter the bloodstream, where they can travel throughout the body and accumulate around the heart. An 2024 study in the New England Journal of Medicine provided the first evidence in humans that directly linked microplastics to heart damage. Learn more

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How Does Plastic Affect Our Hormones?
Eve Fox Eve Fox

How Does Plastic Affect Our Hormones?

Plastic pollution isn’t just an environmental problem, it’s also a human health issue. One of the most well-studied concerns involves chemicals that disrupt the body’s hormone system, known as the endocrine system. Learn more.

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Why & How Are Chemicals Used in Plastic?
Eve Fox Eve Fox

Why & How Are Chemicals Used in Plastic?

Plastics are made from a combination of fossil fuels (or another feedstock) and a mixture of more than 16,000 chemical additives. Learn more about what these chemicals are, why they’re added, and what their impacts are.

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