Show Notes
🎙 Celebrating 100 Episodes of Science, Sanity, and a Little Sarcasm This is it — our 100th episode of FORK U. Over the last hundred episodes, we’ve gone from goat-gland hucksters to the microbiome, from Kellogg’s enemas to cholesterol chemistry, and from Blue Zones to bird flu. Today, we look back — not just to celebrate the great scientists who shaped modern medicine, but to expose the modern influencers who sell that same science back to you in a bottle. Welcome to The FORK U Hall of Fame and Shame. 🧠 The Hall of Fame 🩺 Dr. Ancel Keys — The Misunderstood Scientist Dr. Ancel Keys didn’t make guesses — he made measurements. He and his team built one of the most detailed long-term studies in the history of medicine. They went village by village across seven countries. They collected what people ate, sent food samples back to labs, recorded EKGs, drew blood, and reviewed medical charts — not for a few months, but for decades. That’s what science looks like: patient, precise, persistent. Critics like Gary Taubes claim Keys “left out countries.” That’s false — and it only proves they never read his work. Keys studied cohorts of men within small villages, followed them carefully over the years to learn how diet and disease connected. Without today’s molecular tools, he still discovered the pattern that modern science later confirmed: ApoB — the protein attached to LDL cholesterol — is transported into the arterial wall, starting the process of atherosclerosis. Keys didn’t chase fame. He chased truth. His data became the foundation of preventive cardiology. If you want to honor him, drizzle olive oil instead of conspiracy. And a personal note — my thanks to Dr. Harry Blackburn, who worked with Keys and has kindly shared insights from those pioneering days. 💉 Dr. Frederick Banting and Charles Best — The Children Who Woke Up In 1922, Banting and Best discovered insulin. Before that, children with diabetes slipped into comas and died. After the first injections, they woke up. Their parents fed them well, but diet alone couldn’t save them. Good science did. It was one of medicine’s greatest moments — and still saves lives every day.
🧬 Dr. Kanehiro Takaki — The First Vitamin Before anyone even knew the word vitamin, Japanese surgeon Dr. Kanehiro Takaki saw sailors dying from beriberi. Using early ideas of epidemiology, he realized the problem wasn’t infection but nutrition. He changed their diet — adding barley and vegetables — and the disease vanished. Takaki brought Japan into modern medicine. Even Dr. Charles Mayo admired him. Had he lived longer, he would likely have shared a Nobel Prize.
🧫 Dr. Leonard Hayflick — The Original Longevity Doctor In 1961, Dr. Leonard Hayflick discovered something remarkable: Human cells divide about fifty times, then stop — the Hayflick Limit. He proved aging isn’t mystical. It’s biological. Every division shortens a cell’s life clock until it retires. His research wasn’t about nutrition, but it changed everything about how we understand aging and regeneration. He was the first true longevity doctor — without supplements, slogans, or selfies.
❤️ The DASH and Portfolio Diet Teams The DASH Diet — Dietary Approaches to Stop Hypertension — came from a dream team of researchers. Dr. Lawrence Appel at Johns Hopkins led the NIH trial. Drs. George Bray, Donna Ryan, and Catherine Champagne built the menu at Pennington Biomedical. Dr. Frank Sacks at Harvard analyzed the data.
They showed that a diet rich in fruits, vegetables, and low-fat dairy could lower blood pressure without weight loss. Then came the Portfolio Diet, developed by Dr. David Jenkins and his team at the University of Toronto. They combined soy, nuts, soluble fiber, and plant sterols — lowering LDL cholesterol by up to 17 percent. That’s culinary medicine — research that feeds both the lab and the kitchen. And yet some influencers still say we need “more salt.” The DASH team proved the opposite — unless, of course, you’re selling $39 mango-f
More from Fork U with Dr. Terry Simpson
With all the spices we have access to, it is amazing how bland recipes have become. I have many cookbooks, some from great chefs, television personalities, and friends. What I am always surprised by is how bland the food has become. People seem to think a bit of salt, pepper, maybe onions, and garlic provide the spices one needs. Perhaps it is because some associate spice with heat. Mostly because many have never experimented with some of those great warm spices available. A pinch of coriander, some freshly ground cumin, a little cardamom, or a touch of cinnamon can turn an ordinary dish into something remarkable. And the most astonishing part is that these spices financed voyages around the world, built cities, created fortunes, and caused people to kill one another. Without the spice trade, it is safe to say that the United States, as we know it, would be vastly different from what it is now. The money loaned to the United States, when we were a fledgling country, came from the wealthy spice merchants from what was considered one of the great hyperempires of the world, based in Amsterdam. But before we go to the birth of the United States, let me take you to the meatball.
Tea: The Drink That Built an Empire—and Helped Break One China had the tea. Britain had the appetite. John Hancock had a business to protect.
MesoAmerica and Chocolate In our series looking at foods that built civilizations, today we are going to stay in the Americas with chocolate. Chocolate has been used as currency, consumed by kings, incorporated into religious ceremonies, and prescribed as medicine. Today, it is a multibillion-dollar industry that wants you to believe that eating chocolate is an act of preventive cardiology. I mean, why not? They convinced us to give chocolate to people we love, eat it when we are happy, when we are sad, when only the dog understands us. Don’t feed chocolate to your dog. And we have done all this with a bitter seed that most of us would probably spit out if we tasted it straight from the tree.
I’ve been doing a series about foods that built civilizations. In this episode, we are talking about the potato. It is difficult to imagine that thousands of years ago, people constructed large buildings, managed rivers, built monuments, and created art. We have glimpses of these civilizations through stories, archaeology, and the structures they left behind, but much of their history has been lost. Imagine, we don’t even know where Cleopatra or Alexander the Great are buried, yet we know their stories. As European powers conquered Indigenous peoples, their languages, cultures, and oral traditions were suppressed. When a language disappears, so are the stories preserved within it. Our clues come from archaeology when we uncover a monument, a building, or an ancient settlement. In the Andes, the potatoes they cultivated were not the Russets, Yukon Golds, or fingerlings you find in the store today. Different colors, shapes, and textures. Adapted to survive the elevations, temperatures, and growing conditions. Biodiversity protected their food supply against frost, disease, and changing environmental conditions. If one variety failed, another might survive. The ancient wisdom of diversity that Andean farmers developed over thousands of years was lost when the potato eventually reached Ireland.
In our series about foods that built civilization, we talked a lot about grains, from wheat to corn to rice. Today, we are taking you to the ocean, with the civilizations that salmon built. From California to the interior of Alaska, salmon, a staple, allowed people to settle into villages, develop complex social networks, art, and trade routes. Those trade routes are as large as the ones in the Mediterranean. Some tribes built communal homes and developed complex art and language. Some were Seafaring tribes with canoes up to 60 feet long that traveled across oceans. All because there was a fish that would return in large numbers to streams and rivers, reliably, predictably. So predictable, the people could build their lives around salmon runs. So much so that some built a calendar not only with lunar cycles, but also with the return of the salmon. Civilizations have always gathered around food and water. The Mediterranean connected people who grew wheat and olives, giving people time to make wine, mine copper, build ships, trade with their neighbors, and occasionally go to war with them. Asia had rice and grain near the great river systems. The reliable calories from rice and grains allowed villages to become cities and to travel by water to trade. Today we are going to my home, from the Ventura River in California to my home state of Alaska.