Concerns over exposure to plastic particles and chemicals have increased in recent years, with researchers studying their possible impact on human health. Gastroenterologist Dr Saurabh Sethi has shared three ways people can reduce their exposure to plastic-related chemicals through everyday lifestyle changes. In a post on Instagram on July 20, Dr Sethi, a California-based gastroenterologist trained at AIIMS, Harvard and Stanford Universities, explained that while completely avoiding plastic exposure may not be possible, certain habits could help lower the amount of plastic-associated chemicals entering the body.

Dr Sethi referred to research papers including a study titled "Evaluation of Exposure to Bisphenol Analogs through Canned and Ready-to-Eat Meal Consumption and Their Possible Effects on Blood Pressure and Heart Rate" and another research paper, "Low-plastic diet and urinary levels of plastic-associated phthalates and bisphenols: the randomized controlled PERTH Trial." According to Dr Sethi, research suggests that reducing plastic exposure through dietary changes may help lower levels of certain plastic-associated chemicals in the body.

He said studies have shown that changes in lifestyle and food habits can lead to measurable reductions within a short period. One of the key steps suggested by Dr Sethi is reducing the use of plastic containers for storing or heating food. Heating food in plastic containers can increase the likelihood of chemicals from plastic materials migrating into food, making alternatives such as glass or stainless steel containers preferable.

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The doctor also advised limiting the consumption of highly packaged and processed foods. Many ready-to-eat meals and packaged products may involve plastic-based materials during production, storage or transportation, potentially increasing exposure to certain chemicals. Another recommendation shared by Dr Sethi was choosing fresh foods whenever possible. Increasing the intake of fresh fruits, vegetables and minimally processed foods can help reduce dependence on packaged products that may come into contact with plastic materials.

"Research shows that you can reduce the amount of plastic chemicals in your body by up to 60 percent in just seven days," Dr Sethi said while discussing the findings of the studies. Experts have increasingly focused on microplastics and chemicals such as phthalates and bisphenols because of their widespread presence in the environment and consumer products. These substances have been detected in food, water and human samples, though researchers continue to study their long-term effects.

While lifestyle changes may reduce exposure, completely eliminating contact with plastic is difficult because plastic materials are widely used in modern life. Health experts generally recommend reducing unnecessary plastic use while following balanced dietary and lifestyle habits. Dr Sethi’s suggestions highlight simple steps individuals can consider to minimise exposure, but people with specific health concerns should consult qualified healthcare professionals for personalised advice. Continued research is underway to better understand how plastic-associated chemicals affect human health over time.

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