The Whole Truth

The Hidden Agendas Behind Decades of Health Misinformationâ"and What to Do About It

By: T. Colin Campbell, Nelson Campbell

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Hardcover | 2 June 2026

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Hardcover
272 Pages

Dimensions(cm)
22.86 x 15.24 x 1.78

Hardcover

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Research has proven that a plant-based diet can prevent and sometimes reverse chronic diseases like heart disease, type 2 diabetes, and cancer. Yet this message has been ignored, distorted, or suppressed by gatekeepers and organizations with a vested interest in the status quo.

Clear-eyed yet hopeful, The Whole Truth takes readers through the dark reality of how we arrived here, then goes beyond. It is not simply an exposé of what has gone wrong, but a call to rethink our assumptions and reclaim our agency so we can build a healthier, kinder, and more connected world.

In The Whole Truth, Dr. T. Colin Campbell, coauthor of The China Study and author of the New York Times bestseller Whole, offers an eye-opening look behind the scenes of nutrition science and policy. Drawing on decades of research and firsthand experience, he explores how nutrition evidence is funded, generated, and communicated—and why it so often leaves the public unsure what to trust. He traces the turning points that led him from the lab bench to the public arena, challenging nutrition orthodoxy.

At a time of rising chronic disease and government recommendations that give greater emphasis to animal-based foods, Campbell asks timely and urgent questions:

What happens when powerful commercial and institutional forces influence scientific debate and public policy?
How does this influence, combined with prevailing biases, reinforce a reductionist way of thinking that puts science in service to these powerful interests?
How does this system undermine public welfare?

Campbell pulls back the curtain on how these interests have hijacked nutrition science. Drawing on revealing episodes from academia, professional societies, the media, and government corridors, he shows how they have shaped public recommendations often far removed from the underlying science.

In the book’s final section, Nelson Campbell widens the lens to see a new path forward. Building on his father’s insights, he explores how those ideas can be communicated in ways that resonate with a broader audience. He also discusses a bottom-up approach to change and then extends this to a larger political and philosophical context. Rather than pushing another rigid ideology, this section invites readers into a more grounded and humane way of seeing—one that connects personal health with collective responsibility and effective action.

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