The Whole Truth

The Hidden Agendas Behind Decades of Health Misinformation—and What to Do About It

Published by BenBella Books
Distributed by Simon & Schuster

About The Book

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.

About The Authors

T. Colin Campbell, PhD, has been dedicated to the science of human health for more than 60 years. His primary focus is on the association between diet and disease, particularly cancer. Known for the China Study—one of the most comprehensive studies of health and nutrition ever conducted, and recognized by the New York Times as the “grand prix of human epidemiology”—Dr. Campbell’s profound impact also extends to education, public policy, and laboratory research. Dr. Campbell is the Jacob Gould Schurman Professor Emeritus of Nutritional Biochemistry at Cornell University. He has received more than 70 grant years of peer-reviewed research funding and authored more than 350 research papers. The China Study was the culmination of a 20-year partnership of Cornell University, Oxford University, and the Chinese Academy of Preventive Medicine

On the heels of writing and directing the 2015 documentary film PlantPure NationNelson Campbell founded the nonprofit PlantPure Communities (PPC) in early 2016. Released in theaters in over one-hundred cities, the PlantPure Nation film (now on Amazon Prime and Apple TV) highlights the dramatic healing power of a plant-based diet and examines the political and economic factors that have suppressed information about these healing benefits, while making connections to public policy, medical practice, food deserts, and farming. In addition to his work in the nonprofit sector, Nelson founded the PlantPure foods and education business. PlantPure has been working on a strategy in western North Carolina to partner with local communities to share the healing benefits of plant-based nutrition. This strategy also includes a commitment to waive 100 percent of its profit margin on sales of certain of its products in under-resourced communities.

Most recently, Nelson has launched a Substack publication at NelsonCampbell.com, where he writes about many of the same issues shares in The Whole Truth. Finally, Nelson has also had extensive experience in public speaking, mostly focused on issues surrounding plant-based nutrition, but also touching on public policy, economics, and social concerns. Prior to his involvement with PlantPure Nation, Nelson worked for twenty-five years as a business entrepreneur. He graduated from Cornell University with a bachelor’s degree in Political Science and a master’s degree in Economics.

Product Details

  • Publisher: BenBella Books (June 2, 2026)
  • Length: 208 pages
  • ISBN13: 9781637747568

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