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Netflix’s new documentary exposes the hidden effects of plastic on human health while reminding us of the power of small choices.
Documentaries can open our eyes to problems we never knew existed, and they can introduce us to interesting people doing brave and beautiful work in the world. Occasionally a film delights us with amusing discoveries. It’s rare, very rare, for a documentary to come along that might actually improve our quality of life.
Which is why Plastic Detox, now streaming on Netflix, is so compelling.
I recently previewed the film and spoke with co-director Louie Psihoyos, and I’m convinced that this is one of those rare works that could genuinely change the way we live, not just intellectually, but practically — right down to which objects in our kitchens, closets, and bathrooms we decide to keep or get rid of.
Most of us have heard about the problem of plastic waste. We know that plastic detritus fills landfills, drifts through our rivers and oceans, and forms enormous gyres in remote parts of the sea. We have seen photographs of turtles entangled in plastic and seabirds with bottle caps in their stomachs. The environmental damage is heartbreaking and undeniable.
But Plastic Detox does something even more personal and powerful. It asks us to consider not only the plastic around us, but also the plastic (specifically, microplastic) inside us, and its impact.
At the center of the film is Dr. Shanna Swan, an epidemiologist working in environmental reproductive health and a professor of environmental medicine and public health at the Icahn School of Medicine at Mount Sinai. She has spent decades studying how chemicals affect the human body. Like much important science, her work until now has circulated mainly within the academic world. Other researchers have read, cited, and debated her papers, but those papers rarely reached the wider public. As a central character, Dr. Swan is an engaging protagonist, a cross between Dr. Ruth (Psihoyos’s analogy) and Frances McDormand in Fargo — caring and smart, but also rough-edged, feisty, and determined.
Examining the effects of microplastics on the human body, Dr. Swan eventually realized that her findings were simply too important to remain sequestered in academic journals. And so she began speaking more broadly to journalists and policymakers, and eventually she met up with Psihoyos and his fellow filmmaker Josh Murphy.
Psihoyos has a remarkable track record of turning complex environmental issues into gripping, cinematic storytelling. His previous films — The Cove, Racing Extinction, The Game Changers, and You Are What You Eat: A Twin Experiment — all share the same ambition: to illuminate a hidden problem and empower audiences to take action. (He also co-directed a film capturing the friendship of Archbishop Desmond Tutu and His Holiness the Dalai Lama, Mission: Joy — Finding Happiness in Troubled Times, with a message we need now more than ever.)
Consider The Cove. Before that film appeared, few people knew that in Japan, 23,000 dolphins were being killed every year for their meat. After the documentary’s release (and the subsequent international awareness campaign), dolphin deaths fell dramatically, to around 6,000, with most of those due to accidental capture rather than deliberate hunting.
This is the power of public awareness through film: When people understand a problem clearly, most of them want to do the right thing.
Plastic Detox aims to spark a similar awakening. The film begins with an arresting question: Could plastics in our everyday lives actually be affecting our health, perhaps even our fertility? Dr. Swan’s research suggests that the answer is “yes.”
Her work has focused on endocrine-disrupting chemicals — substances that interfere with the body’s hormone system. Many of these chemicals are associated with plastics and petroleum-based products that are prevalent in everything from food containers to cosmetics to furniture.
In the film, Dr. Swan examines couples who are struggling with infertility. She studies their chemical exposure in their homes and their biological urine samples, looking for microplastics and related compounds in their bodies. She also examines sperm counts and reproductive health indicators. The results are astonishing. I won’t spoil the surprise by revealing the discoveries she makes, because part of the film’s impact comes from the gradual unfolding of her research. But let’s just say this: By the time the credits roll, you may never look at your home the same way again.
You’ll suddenly start seeing your kitchen as something of a minefield, filled as it likely is with plastic storage containers, plastic packaging around food, and plastic water bottles sitting on the counter. Then there’s the bathroom: Lotions, cosmetics, shampoos, synthetic fragrances, even the toilet seat (not to mention the couch in your living room) may contain petroleum-based chemicals.
The film makes clear that plastic exposure is not simply an environmental issue “out there” somewhere in the ocean. It is a health issue that may be operating quietly inside our own bodies.
And the implications extend far beyond fertility. Dr. Swan’s research explores links between endocrine disruption and a wide range of conditions — metabolic disorders, developmental changes, and even obesity. Hormones regulate almost every system in the human body, and when those systems are disturbed, the ripple effects can be profound.
This is not simply a story about plastics. It is about how each of us is exposed to thousands of synthetic chemicals and science is only beginning to understand the consequences.
Yet Plastic Detox is not a despairing film. Many documentaries leave us troubled and unsure of what to do. Plastic Detox offers a roadmap. It shows that while the scale of the plastic problem is enormous, meaningful change can begin with the small choices we make every day.
Indeed, one of its most encouraging messages is that individual actions can make a real difference. By changing certain habits — what we store food in, what we cook with, what we wear, and what products we bring into our homes — we can significantly reduce exposure to harmful chemicals. That realization alone feels empowering.
Most importantly, the film reminds us that awareness itself can be transformative. When people learn about something that affects their health, their families, and their children, they tend to pay attention. And once they see the problem clearly, they often begin to change.
Plastic Detox may turn out to be one of the most important documentaries you could watch, not because it will frighten you, but because it will equip you. It shows us all that protecting the planet and protecting our own bodies are, in the end, the same mission.
