Lies My Doctor Told Me- Book Review
- John Wilson
- Feb 9
- 3 min read
Updated: Jun 9
Lies My Doctor Told Me: Medical Myths That Can Harm Your Health by Ken D. Berry, MD is a fascinating book. It outlines many medical myths that are not only perpetuated by the public but also by physicians. These commonly believed medical "truths" have often been disproved or questioned by modern research. Yet, medical schools and doctors continue to believe and share them. Many things we have been told about diet, exercise, medication, and self-care have been silently retracted, even by the CDC, FDA, or the USDA. However, these changes are not widely publicized, and modern science has not always made its way into clinical practice.
Dr. Berry's Journey
Dr. Ken Berry is a family physician who, like many Americans, struggled with being overweight and unhealthy. He was on the verge of becoming diabetic while adhering to the dietary guidelines recommended by major food and medical associations. He followed advice to eat low fat, high carbohydrates, and restrict calories while exercising in hopes of losing weight. Eventually, Dr. Berry began to question this conventional wisdom. He started to review research on nutrition and diet, as well as other relevant topics for his role as a physician.
In the process, he discovered that many physicians do not stay informed about current research. Even when they do take time to review studies, they often only read the abstracts. By diving into the complete studies, Dr. Berry found discrepancies between the summaries and the detailed results. The conclusions often appeared to be influenced by the biases of the study authors and sometimes by the funding sources. Moreover, he highlights that most research on nutrition originates from epidemiological studies, which are based on biased assumptions drawn from diet surveys. This approach is considered one of the least scientific methods of conducting research.
Debunking Medical Myths
Here are a few key myths addressed in the chapters of Dr. Berry's book:
Cherry-Picked Blue Zones: The so-called "Blue Zones" suggest that specific locations produce exceptionally healthy and long-lived individuals. However, these claims are based on cherry-picked assumptions and flawed science.
The Food Pyramid: The traditional food pyramid was largely influenced by the food industry, rather than by sound nutritional science.
Healthy Fats: Contrary to common belief, healthy fats are good for you, even in significant amounts. It's the carbohydrates and sugars that are linked to heart disease.
Exercise and Weight Loss: Exercise and calorie restriction have limited effectiveness for weight loss.
Milk and Bone Health: Contrary to popular belief, milk does not necessarily support strong bones and teeth.
Salt and Blood Pressure: It's a myth that salt is a primary cause of high blood pressure.

Encouraging Informed Health Decisions
Dr. Berry points out numerous studies throughout his book and encourages the public to investigate them independently. Each chapter is dedicated to debunking a specific medical myth, concluding with book recommendations for further reading. Dr. Berry emphasizes that the role of the physician as a keeper of complex secrets is over. Patients must now be proactive in researching their own health. This means sourcing quality information from well-conducted scientific studies or reading material from credible experts who explain results in an accessible manner.
Moreover, he addresses both experienced and new physicians at the end of the book, stressing the importance of staying current with research for the benefit of their patients. This book is not only informative and entertaining, but it also opens a doorway to a wealth of resources for curious readers. I know my reading list will be growing significantly after diving into this work!
Conclusion
Lies My Doctor Told Me challenges prevailing beliefs and encourages a re-evaluation of common medical advice. It emphasizes the importance of a proactive approach to health and wellness. With the wealth of information provided, readers can make informed decisions about their health and potentially challenge medical myths that may be harming them.
By integrating these insights into everyday life, individuals can take strides toward better health outcomes. Whether you are a patient or a healthcare provider, considering these revelations can foster a more productive dialogue about health practices.
In summary, Dr. Ken Berry's Lies My Doctor Told Me not only presents compelling arguments against widely held beliefs but also serves as a call to action for readers to explore credible health resources and take charge of their health journey.
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