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November 18, 2025 36 mins
The typical American supermarket carries more than 30,000 products.

There are nearly as many opinions about what items you should buy to maintain a healthy diet.

Meanwhile, Health and Human Services Secretary Robert F. Kennedy Jr. says changing how Americans eat is key to improving our public health — but some of his advice has nutritionists scratching their heads.

Throw in the influence of a multi trillion-dollar food industry, and the grocery aisles can become a very confusing place.

That’s where Marion Nestle comes in. She is one of our country’s foremost nutrition experts — not only on what we should eat, but about the invisible forces that shape our options.

Her new book is titled “What to Eat Now: The Indispensable Guide to Good Food, How to Find It, and Why It Matters." We discuss her new book.

Why do we have so many choices when it comes to groceries? How can we cut through the noise of fad diets and get the nutrition we need each day?

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