How We Got Here

In Episode Two of The Plastic Age, we go back to the origins of one of humanity’s most transformative inventions and ask a deceptively simple question: What exactly is plastic?

From the search for an alternative to elephant ivory, to the invention of Bakelite and the rise of synthetic polymers, Dr. Elie Haddad traces the remarkable scientific breakthroughs that gave humanity the ability to create materials nature had never made before. Along the way, we explore the chemistry that makes plastic so versatile, durable, inexpensive, and ultimately indispensable to modern medicine and civilization.

But hidden within that extraordinary success was a paradox we are only beginning to fully understand: we created materials designed to endure, then built a culture that uses many of them only once.

This episode explores how the very properties that made plastic revolutionary also allowed it to persist, fragment, and eventually enter a microscopic world where the chemistry of plastic begins to intersect with the chemistry of life.

Transcript

Copy Transcript Copied

SPEAKER_00 0:06

Welcome to Beyond Plastic, where science meets consciousness. My name is Dr. Eli Haddad, and here we explore the ideas that shape our health, our lives, and ultimately our humanity. Our first series is called The Plastic Age: a journey through the remarkable story of how plastic transformed our world, entered our bodies, and became one of the defining challenges of our time. But to understand where we are today, we first have to understand how we got here. Our story begins more than a century ago, when plastic was not something to fear, but something to celebrate, a remarkable expression of human ingenuity that promised to make life easier, safer, and more abundant. So, before we talk about microplastics, human health, or the environmental crises we now face, let's go back to the beginning and discover how the plastic age began. This is episode one of the plastic age, how we got here. If I asked you to name the greatest public health challenges of our time, you would probably mention heart disease, cancer, diabetes, Alzheimer's, infertility, obesity, or perhaps depression. And you would be right, these diseases affect hundreds of millions of people and consume enormous amounts of scientific research and healthcare resources every year. But what if I told you there is another story unfolding quietly in the background? A story that is not defined by a single disease, but by something we all share, rich or poor, young or old, healthy or sick, regardless of where we live on this planet. A story so recent that our grandparents never experienced it, yet so widespread that every child born today inherits it from the very beginning of life. That story is about plastic. Now, before you make any assumptions, let me tell you what this course is not about. This course is not about projecting blame or spreading fear. It is not about politics. And it is certainly not about trying to eliminate plastic from our lives. That would be just unrealistic. In fact, I would argue that plastic is one of the greatest inventions in human history. It has transformed modern medicine. It has made surgery safer, reduced infections, preserved food, improved transportation, enabled space exploration. It has revolutionized technology and made countless products more affordable and accessible. Every single day, plastic saves lives. The problem is not plastic itself. The problem is that over the past 70 years or more, we have become immersed in it in ways no previous generation ever has. And for the first time in history, scientists are beginning to ask a profound question. What happens when the material that transforms civilization also becomes part of our biology? That question changed my life. For more than twenty years I have practiced as a cardiologist. My world revolved around the heart, diagnosing arrhythmias, implanting pacemakers, treating cardiovascular disease, and helping my patients live longer and healthier lives. Like most physicians, I believe that if we continued improving our understanding of cholesterol, blood pressure, diabetes, exercise benefits, nutrition, genetics, we would gradually win the battle against chronic disease. Yet something did not quite fit this equation. Year after year, I found myself seeing younger patients with conditions that once belonged almost exclusively to older adults. Chronic inflammation seemed increasingly common. Autoimmune diseases were becoming more prevalent. In fertility was rising, metabolic disorders were appearing earlier in life. And despite extraordinary advances in medicine and the wellness industry, the overall burden of chronic disease continued to grow. Of course, there is never a single explanation. Human health is complex. Genetics matter, diet matters, exercise matters, sleep, stress, smoking, alcohol, socioeconomic factors, and access to health care. All those play important roles. But I couldn't shake the feeling that we were overlooking part of the story. We were missing something. That curiosity led me into a field that many people have never heard of, yet one that may fundamentally change how we think about health in the 21st century. It is called the exposome. If the genome represents the genes we inherit from our parents, the exposome represents everything we experience throughout our lives. Every breath we take, every glass of water we drink, every meal we eat, every chemical we encounter, every environmental influence that interacts with our biology from the moment we are conceived until the day we die. In other words, our health is shaped not only by what is written in our DNA, but also by the world in which that DNA lives. Once I began exploring the science of the exposome, I kept encountering the same material over and over again. Plastic. Not because plastic is evil, but because it has become unique, uniquely ubiquitous. It has become pervasive in our lives. Take a moment and look around the room you're in right now. Your phone probably contains plastic. Your computer certainly does. Look at your eyeglasses, your keyboard, the clothes you're wearing, the paint on your walls, the insulation in your home, the carpet beneath your feet, that water bottle on your desk, the packaging in your kitchen, the dashboard of your car, the medical devices in every hospital, the credit cards in your wallet. Plastic is everywhere. In just a few generations, it has become so deeply woven into modern civilization that most of us hardly notice it anymore. And that perhaps is its greatest success. And also the reason scientists began asking a new question. For decades, researchers studied plastic primarily as an environmental problem. Images of polluted beaches, floating garbage patches, and sea turtles tangled in fishing nets began symbols, symbols of a planet under stress. Those images awakened the world to an environmental crisis. But eventually, scientists ask something different. If plastic is breaking down into microscopic particles that are now present in our oceans, rivers, soil, food, drinking water, and even the air we breathe, where do those particles ultimately end up? The answer surprised everyone, including me. One study found microplastics circulating in human blood. Another identified them in the placenta, the extraordinary organ that nourishes a developing baby during pregnancy. Researchers have since reported microplastics in breast milk, lungs, liver, heart, kidneys, reproductive organs, and even the human brain. As a cardiologist, one study especially captured my attention. Investigators found microplastics embedded within carotid artery plaques, and patients whose plaques contained those particles experienced a substantially higher risk of heart attack, stroke, or death during a three-year follow-up. That study did not prove plastic caused those events, but it asked a question that simply could not be ignored. Could this material be doing more than merely passing through our bodies? That is where science finds itself today. And I want to emphasize something that is critically important. Science is not a collection of final answers, it is a process of asking better questions. One of the greatest mistakes we can make is to confuse curiosity with certainty. Some people hear these findings and immediately conclude that plastics are responsible for every modern disease. That is not supported by the evidence. Others dismiss the entire field because many questions remained unanswered. And that is equally unscientific. The truth? The truth lies between those extremes. We know these particles are entering the human body. We know they can reach organs once thought to be protected. We know certain plastic associated chemicals can interfere with hormones and biological signaling. We also know there is still an enormous amount we do not yet understand about dose, particle characteristics, individual susceptibility, long-term effects, and how these exposures interact with the countless other factors that influence health. That uncertainty should not make us fearful, it should make us curious. Curiosity is what has driven every major scientific discovery throughout history. Several years ago, I realized something else. Scientific papers are essential, but they rarely reach the general public. Most people will never read a medical journal, and even those who do often forget the data within days. But stories are remembered, art is remembered, emotion is remembered. That realization inspired me to create Homo plasticus, an immersive educational sculpture designed to make an invisible issue visible. Not to shock people into despair, but to invite them into a conversation, to stand before a human figure holding a fetus filled with plastic and ask a simple question. If this is possible, what else don't we know? And that question is why you are here. Throughout this series, we are going to examine the science carefully and honestly. We will separate established evidence from emerging research. We will acknowledge uncertainty where it exists. We will celebrate the extraordinary benefits plastic has brought to humanity while also exploring the unintended consequences of living in a world saturated with it. Most importantly, we will focus on practical solutions rather than paralysis and fear, because awareness without action accomplishes very little, and action without understanding is rarely sustainable. Every generation inherits something from the generations before it. Sometimes that inheritance is language, sometimes it is the culture, sometimes it's wisdom, sometimes it's trauma. Our generation may also be inheriting something physical, tiny fragments of the material that transform modern civilization. Whether that invisible inheritance ultimately proves to be one of humanity's greatest triumphs, one of its greatest oversights, or something in between is still being written. And over the course of this journey, we will follow the science together wherever it leads. Welcome to Beyond Plastic, where science meets consciousness. If this episode changed the way you see the world, share it with someone you care about. Awareness is where transformation begins. Until next time, thank you for listening.