Health & wellbeing

In Defense of Food

Michael Pollan

Why real food matters more than nutrients, and seven words on what to eat: eat food, not too much, mostly plants

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  • 9 key ideas
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  • Published 2008

Introduction

Michael Pollan, an American journalist who writes about food, plants and farming, answers the question of what to eat in seven words: “Eat food. Not too much. Mostly plants.” He argues that much of what Americans buy in the supermarket is no longer food in the old sense but processed “foodlike substances,” and that a way of thinking he calls nutritionism, which sees food as a set of nutrients, has left people more confused and anxious about eating without making them healthier.

The book has three parts. Part One, The Age of Nutritionism, tells how nutrients replaced foods in official advice, science and marketing, and how the campaign against dietary fat went wrong. Part Two, The Western Diet and the Diseases of Civilization, describes the chronic diseases that follow the industrial Western diet and five ways industry has changed what people eat. Part Three, Getting Over Nutritionism, offers simple personal rules under the headings “eat food,” “mostly plants” and “not too much.”

Note: the book is from 2008 and was written about the American food system. Its health and science claims are Pollan's arguments or the findings of the researchers he cites, as he reported them then, and some have been debated or updated since. This summary is not medical advice: anyone with a health condition should follow their doctor's advice.

  1. 1Pollan's answer to what we should eat fits in seven words, and the hard part is that real food has been crowded out
  2. 2Pollan argues that from the late 1970s official advice, science and the food industry began to talk about nutrients instead of foods
  3. 3Pollan argues that the campaign against dietary fat rested on thin evidence and did not make Americans healthier
  4. 4Pollan says nutrition science, by studying one nutrient at a time, struggles to understand food, and leaves eaters anxious
  5. 5Pollan says the Western diet brings a familiar set of chronic diseases, and a 1982 study suggested some of the harm can be reversed quickly
  6. 6Pollan describes five big ways industry has changed the human diet over the last century and a half
  7. 7Pollan's first rule, eat food, means learning to tell real food from the processed products that imitate it
  8. 8Pollan's second rule, mostly plants, favors leaves, a wide variety of whole foods and the wisdom of traditional food cultures
  9. 9Pollan's third rule, not too much, is about how we eat: smaller portions of better food, eaten slowly at shared meals

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In Defense of Food by Michael Pollan: summary | Daridanesh