Lillian Wilson

Power Foods for the Brain by Neal D. Barnard

Discover the critical connection between nutrition, lifestyle, and brain health with an informative guide 'Power Foods for the Brain.’

Power Foods for the Brain

The book has received 4.5 ⭐️ from readers on Amazon.

As we navigate the complexities of modern existence, our cognitive well-being plays a pivotal role not only in shaping our daily experiences but also in determining our overall quality of life. A healthy brain is the cornerstone of a vibrant and fulfilling existence, impacting everything from our memory and decision-making abilities to our emotional well-being and resilience in the face of life’s challenges.

In this pursuit of longevity and vitality, understanding the intricate connection between our dietary choices, exercise routines, and mental acuity becomes paramount. It is within this context that the book ‘Power Foods for the Brain’ by Neal D. Barnard emerges as a guiding beacon, shedding light on the ways we can optimise our brain health for the long haul. In this review, we delve into the insights and practical advice offered by this book.

Author’s background

Neal D. Barnard, MD, FACC, is widely regarded as the foremost expert on vegan diets worldwide. He holds a faculty position at the George Washington University School of Medicine and serves as the President of the Physicians Committee for Responsible Medicine.

Dr. Neal D. Barnard (r)

Dr. Barnard serves as the chief editor of the Nutrition Guide for Clinicians, a nutrition textbook distributed to all second-year medical students in the United States. Additionally, he is the editor of Good Medicine, a magazine with a readership of 150,000. Dr. Barnard has achieved New York Times bestselling author status for books such as ‘Dr. Neal Barnard’s Program for Reversing Diabetes’ and ‘The 21-Day Weight-Loss Kickstart,’ among several others.

What is the book about?

‘Power Foods for the Brain’ by Neal D. Barnard delves into the intricate connection between nutrition and brain health. Dr. Barnard draws from extensive research to highlight the striking similarities between dietary choices that promote physical well-being and those that are crucial for maintaining a healthy brain. The book emphasises that specific foods and eating patterns possess a remarkable protective influence on the brain.

Moreover, Dr. Barnard underscores the importance of exercising the brain through simple techniques that strengthen the connections between brain cells. He also discusses how straightforward physical exercises can counteract the natural shrinkage of the brain that often occurs with ageing.

The book offers a practical 3-step plan, which includes dietary recommendations, exercises, and supplements to enhance brain health. It not only focuses on boosting cognitive function but also on reducing the risk of serious conditions like Alzheimer’s disease and stroke, as well as addressing less severe issues such as low energy, sleep problems, irritability, and difficulty concentrating.

Among the closing chapters are menus and recipes for brain health created by renowned culinary instructors Christine Waltermyer and Jason Wyrick.

Table of contents

  • Introduction
  • Chapter 1: Sharpen Your Memory, Enhance Your Brain
  • Step I: Put Power Foods to Work
  • Chapter 2: Foods That Shield You from Toxic Metals
  • Chapter 3: Foods That Protect You from Harmful Fats and Cholesterol
  • Chapter 4: Foods That Build Your Vitamin Shield
  • Step II: Strengthen Your Brain
  • Chapter 5: Mental Exercises That Build Your Cognitive Reserve
  • Chapter 6: Physical Exercises That Protect Your Brain
  • Step III: Defeat Memory Threats
  • Chapter 7: Build Memory Power as You Sleep
  • Chapter 8: Medicines and Health Conditions That Affect Memory
  • Putting the Plan Into Action
  • Chapter 9: A Brain-Enhancing Menu
  • Chapter 10: Conquer Food Cravings
  • Chapter 11: Menus and Recipes
  • About the Author
  • Also by Neal D. Barnard, MD
  • Appendix 1: Medications and Supplements to Treat Memory Problems
  • Appendix 2: Ingredients That May Be New to You
  • Newsletters
  • References
  • Copyright

Three key takeaways from ‘Power Foods for the Brain’

1Depending on its type, fat can be either friend or foe to your brain

Dr. Barnard discloses the significant fats play in brain health. He provides examples of communities that have very low consumption of saturated and trans fats and have remarkable health and longevity. In Okinawa, Japan, a centenarian’s diet primarily consists of sweet potatoes, rice, and vegetables, with occasional fish or pork. In Loma Linda, California, long-livers usually follow a plant-based diet with fresh fruit, whole grains, and soy products. Both regions emphasise plant-based foods, which are associated with longevity. Research also shows that avoiding saturated fats, particularly from dairy and meat, can reduce the risk of Alzheimer’s disease. These ‘bad’ fats, along with heavy metals, are implicated in cognitive decline and are also harmful to heart health. This suggests that dietary choices can have a significant impact on brain health and overall well-being.

Not all fats are detrimental to your health, as some fats are considered ‘good.’ The composition of cell membranes in your body, including those in your brain, depends on the type of fat they contain. Omega-3 fats are essential for brain health. These fats can be derived from alpha-linolenic acid (ALA), an omega-3 fat found in various plant-based foods like walnuts, flaxseed, and canola oil. However, omega-6 fats, found in certain cooking oils like safflower, sunflower, and soybean oil, can interfere with the conversion of ALA to DHA in your body. Dr. Barnard highlights that achieving a balance between omega-3 and omega-6 fats is crucial for brain health, with a suggested ratio of 2:1 to 4:1 of omega-6 to omega-3 fats.

2A regular exercise regimen is a potent tool for improving brain health and memory retention

In the book, exercise is revealed as a potent tool for enhancing brain health and memory preservation. Regular physical activity contributes to brain rejuvenation by increasing blood and oxygen flow, effectively supporting brain function. Scientific research showcased the beneficial impact of exercise, such as aerobic activities like running, brisk walking, or cycling, in enlarging the brain’s hippocampus, a critical region for memory. Moreover, exercise has the potential to prevent Alzheimer’s disease and reduce the risk of strokes. These findings apply to people of all ages, and in some cases, exercise can even reverse age-related brain shrinkage.

Furthermore, exercise has been associated with a reduced risk of dementia, including Alzheimer’s disease, especially among older adults. It also offers a host of other physical and psychological benefits, from weight loss and improved cardiovascular health to better sleep and mood regulation. Combining exercise with a healthy diet is emphasised as a key strategy, as exercise alone cannot offset the consequences of an unhealthy eating regimen. The book also advocates making exercise a social activity, scheduling it, and maintaining regularity to maximise its benefits.

3Cognitive reserve is a powerful means of maintaining memory and cognitive functions

This book delves into the concept of cognitive reserve as a powerful tool for maintaining memory and cognitive function as individuals age. Cognitive reserve is defined as the brain’s ability to compensate for age-related changes and potential damage, and it is built through lifelong intellectual stimulation and education. Dr. Barnard emphasises that activities such as reading, problem-solving, and studying during one’s educational years establish a solid foundation for cognitive reserve. It further highlights the significance of ongoing mental engagement through activities like reading, solving puzzles, and playing games in preventing cognitive decline. Additionally, the book explores the effectiveness of specific brain-training exercises, showcasing their potential to counteract the effects of ageing and enhance cognitive abilities.

Furthermore, the book underscores the advantages of bilingualism in delaying the onset of dementia, with bilingual individuals experiencing memory problems about five years later than those who speak only one language. It introduces practical memory aids, such as the ‘linking’ technique, which involves creating vivid and emotionally charged mental associations to enhance memory retention. Ultimately, the book empowers individuals to take proactive steps in safeguarding their cognitive health by embracing intellectual challenges, language learning, and memory-enhancing techniques, offering the promise of better memory and cognitive function throughout their lives.

Strengths and weaknesses, according to readers’ reviews


  • Provides comprehensive information on brain health in an easily understandable and straightforward manner.

  • Offers practical advice that is applicable to anyone interested in improving their brain health.

  • The writing is compelling, making it an engaging and quick read.

  • Includes menus and recipes from well-known culinary instructors.


  • Some readers found the recipes provided in the book to be overly complex and reliant on hard-to-find ingredients, particularly in European markets, making them less practical for everyday use.

  • The book suggests the need to eat continuously throughout the day to avoid hunger while still losing weight, which some readers found tiring and costly, and it might not be sustainable for everyone.

Best quotes from ‘Power Foods for the Brain’

“In 2003, French researchers sampled red blood cells of 246 older people, finding that those whose cell membranes were rich in a certain type of fats, called omega-3 fats, were more likely to maintain their cognitive functions compared with other people.”
“One type of mental stimulation is particularly intriguing: being able to speak more than one language. Researchers in Toronto found that bilingual adults are able to buy themselves a little time when it comes to dementia. It is not that they are exempt from brain disorders. But whatever memory problems they may have show up about five years later compared with people who speak only one language.”
“Once you’re in an exercise groove, it’s easy to stay there. But if your exercise is only intermittent, your motivation really never gets off the couch. So keep it regular. If you set a rule that you’re going for a brisk walk every day after dinner, or whatever schedule works for you, you’ll find that you come to expect it and enjoy it. Don’t let yourself have more than two sedentary days in a row.”

Final takeaway

‘Power Foods for the Brain’ by Neal D. Barnard offers a compelling and informative exploration of the critical relationship between nutrition and brain health. Dr. Barnard’s expertise and clear writing style make complex concepts accessible to a wide audience. The book provides practical advice for improving brain health, emphasising the significance of dietary choices, exercise, and cognitive engagement.

Overall, this book is a valuable resource for those seeking to enhance their brain health and reduce the risk of cognitive decline, making it a recommended read for individuals of all ages who are interested in maintaining and improving their cognitive function.

Where to buy

You may purchase ‘Power Foods for the Brain’ on Amazon at the best price. It is available in paperback, hardcover, audio and Kindle versions, so you may choose an option that appeals to you the most.

Healthypedia FAQ

Yes, ‘Power Foods for the Brain’ by Neal D. Barnard is grounded in scientific evidence. The author, Dr. Neal Barnard, is a well-respected physician and researcher in the field of nutrition and health. Throughout the book, he draws from extensive scientific research and studies to support the claims and recommendations he makes regarding the connection between nutrition and brain health.

The book is written in a clear and accessible manner, making it easy for readers of all backgrounds to understand. Dr. Barnard takes complex scientific concepts related to brain health and breaks them down into simple, digestible explanations.

Yes, the book highlights the importance of regular physical exercise in enhancing brain health. It discusses the benefits of aerobic activities like running and brisk walking, which can enlarge critical brain regions responsible for memory. The book also emphasises the need for a balanced approach, combining exercise with a healthy diet.

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