Daniel Lieberman

The Best Diet Is Sustainable, Plant-Rich, and Minimally Processed

Harvard evolutionary biologist Daniel Lieberman argues that the search for a single “best” diet is misguided: dietary effects vary by person, goal and context, while the long-term evidence rarely permits certainty. His reading favors durable, plant-rich patterns built around minimally processed foods, fiber-rich carbohydrates and adequate protein over meat-heavy or highly restrictive regimens. The central challenge, he says, is not finding a perfect protocol but sustaining reasonable eating in an environment designed to promote overconsumption.