Author Archives: Peter Megdal PhD

Imagine you have just started a new way of eating. You have cut out bread, pasta, and sugar. Instead, you are eating more healthy fats, like steak, eggs, and butter. You feel better than you have in years. Your "sugar levels" are great, your blood pressure is low, and you have plenty of energy. In your mind, you are "metabolically perfect." This means your body is doing a great job of handling energy and keeping you fit.

For a long time, most doctors and patients believed that heart disease was a one-way street. Once your arteries started to clog up with  plaque , the goal was simply to slow down the decline. We treated it like a rust problem on an old car—you can’t really get rid of the rust; you just try to paint over it or keep it from spreading too fast. It felt like an unstoppable force of aging.But what if heart disease wasn’t a life sentence? Imagine your arteries are like a  garden hose .

Imagine a doctor sitting in a dark room, peering through a powerful microscope at a tiny blob of yellow fat. For almost a hundred years, doctors looked at these blobs and thought they had found the "bad guy" causing heart disease. They called it cholesterol, and they believed that simply having too much of this "yellow grease" in your blood was the reason pipes in the body got clogged.

For decades, we have been told that a "normal" cholesterol level is the golden ticket to a healthy heart. But modern science has revealed a startling truth: what we once called "normal" was never actually healthy. In the 1960s, a total cholesterol level of 240 mg/dL was considered a standard, acceptable baseline for an adult. Today, a doctor would view that same number as an urgent health crisis.