PDF Grain Brain: The Surprising Truth about Wheat, Carbs, and Sugar--Your Brains Silent Killers

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Although the argument may sound logical, what Perlmutter fails to acknowledge is the evidence suggesting that certain starchy carbohydrates can regulate the insulin response stabilising blood sugar. For example, barley which is a high-carb, low-glycaemic grain was recently found to stabilise blood glucose levels. In addition, other research indicates that wholegrains could be beneficial in maintaining a healthy weight , as being overweight is a risk factor for type 2 diabetes. However, it is worth highlighting that our hunter-gatherer ancestors had a much lower life expectancy.

It seems unlikely that our primitive ancestors lived long enough to succumb to neurodegenerative diseases. Whilst there is acknowledgement in the book that our hunter-gatherer ancestors did not live as long as those born today into western cultures, there is little connection between shorter lives and degenerative diseases. Perlmutter is a strong believer that most people are intolerant to gluten, but are not aware of it.

When explaining his theory, he states that this gluten sensitivity causes inflammation and that it manifests itself not only in the gut, but in the brain. This could be as a simple headache or migraine, or more sinister neurodegenerative diseases. As a result, his book strongly recommends everyone stops eating gluten immediately, regardless of apparent symptoms. But is this the best advice? Studies have reported changes, potentially adverse, in gut microbiota in response to a gluten-free diet due to the reduction in intake of naturally-occurring fructans found in wheat , which have prebiotic effects.

Microbiotic imbalances can lead to increased not reduced inflammation. Moreover, when coeliacs switch to gluten-free diets, many of them gain weight , become insulin resistant, develop systemic inflammation, and show signs of metabolic syndrome. Therefore, going gluten-free is no guarantee of low inflammation and overall health.

Those who have coeliac disease or are sensitive to gluten should avoid gluten-containing foods and, quite importantly, ensure an adequate intake of all essential nutrients to reduce the risk of deficiencies.

The message in general is oversimplified and encourages removing important food groups from the diet. By removing grains and fruits, many important nutrients, fibre, and phytochemicals will be removed too. To add to the confusion around exactly what Perlmutter links to the cause of neurological degeneration, in the diet section of Grain Brain , carbohydrates such as legumes, rice, quinoa, and oats are allowed to be included.

As you would expect in a book focused on carbohydrates, sugar is in the firing line. Perlmutter is an advocate of removing added sugars from the diet, which is certainly a positive step for improving health. However, the message on which sugars to remove is unclear.

Grain brain : the surprising truth about wheat, carbs, and

For example, he believes that fructose , the natural sugar in fruit, should be excluded, as well as all other added sugars. Perlmutter encourages people to eat no more than one portion of fruit per day and that is only after abstaining for one month. Fruit is a nutrient-dense, low-energy, high-fibre food, which has been linked with greater risk reduction in some cancers, when compared to vegetables.

Grain Brain: The Surprising Truth about Wheat, Carbs, and Sugar--Your Brain's Silent Killers

Fruits are packed with micronutrients and health-benefiting phytochemicals. So encouraging people to remove this whole food group completely is a risky message given the evidence around their protective properties. And what about wholegrains? Numerous epidemiological studies tell us that the Mediterranean dietary pattern, which is high in wholegrains as well as fruits and vegetables, is linked to a reduced risk of many chronic diseases. There is evidence to suggest that regularly including wholegrains in the diet might be protective against cardiovascular disease , type 2 diabetes and some forms of cancer.

There are also findings proposing that, because of the phytoestrogens found in whole grains, high intakes can reduce the increased risk of cognitive decline and neurodegenerative disease associated with menopause in women. Because the Mediterranean diet is high in fibre and phytochemicals, it is a dietary pattern which has been widely encouraged.


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One recent study even went as far as to quantify the benefit of following a Mediterranean diet, reporting that those who do might live up to two years longer. Another area of the science which Perlmutter did not include is deficiency. With wholegrains thought to protect against obesity, diabetes, CVD and certain cancers because of their fibre content as well as the antioxidant properties, it is important to consider the evidence before removing this important food group. In general, Western diets lack fibre and many people in the UK do not met the revised 30 grams per day recommendation.

Whilst fruit and vegetables contain fibre, they also contain water, making wholegrains , beans, and pulses a more condensed source. In addition, fortified bread and cereals have become a large contributor for B vitamins and iron in the UK population. Therefore, before removing anything, it is critical to consider replacing these nutrients in the diet, particularly in high-risk populations.

For example, B vitamins and iron are consistently linked with improved mental function including depression , cognitive impairment in the elderly, and cognitive performance in young adults. In addition, there is a long-held belief that the brain can only run on glucose. Perlmutter is right, in a broad sense, that the brain can run on alternative fuels besides glucose.

However, ketogenic dieting is not proven to be safe for absolutely everyone, always. Deficiency risks, individual tolerance, and personal genetics need to be considered too. This is confirmation that Perlmutter based his book primarily on belief, selectively citing studies and not including the full body of scientific evidence. WARNING: The side effects of ketogenic dieting include metabolic acidosis, dehydration, digestive problems, abdominal pain, vomiting, diarrhoea, constipation, amenorrhea, muscle cramps, hypoglycaemia, dizziness, and fainting. Besides metabolic acidosis, other metabolic problems include: hypercholesterolemia, hyperuricemia, carnitine deficiency, hypocalcaemia, and hypomagnesemia.

No need to read. There are other books available which are better referenced, and do not confuse high-carbohydrate foods with high-glycaemic foods. Available upon individual purchase. Learn more here! Is Fructose Making You Fat? Part 1. Alex Ruani, Doctoral Researcher, leads the research division at The Health Sciences Academy , where her team of accomplished scientists and PhDs are training a new breed of over , highly-specialised nutrition professionals who are leveraging the latest personalisation strategies to help their clients.

She is a Harvard-trained scientist and UCL Doctoral Researcher who is fanatical about equipping health professionals with the latest science-based tools so they can succeed in their practices — from identifying the unique nutrient needs to building highly personalised nutrition programs. Besides investigating and teaching the latest advances in health and nutrition biochemistry, Alex makes it easier to be smarter with her free email updates. Excellent review. Thank you for reminding us to think critically and scientifically when reading new literature.

Critical thinking is a very useful skill to develop in the field of nutrition Thanks for your suggestion, Isma. I really appreciate the clarity your reviews bring. Some food ideologies are non factual and your information has helped me find them more efficiently. Jim — thank you! What book do you think every person should read? We all want to know how to live the best life we can with the best food choices? Hi Angela, thanks for your question! The "off" amount and percentage simply signifies the calculated difference between the seller-provided price for the item elsewhere and the seller's price on eBay.

Excellent material and easy to read. An absolute must for an inquiring mind. This part may not be printable! It is a pity the subject of the cause of this nation's over-weight problem is not addressed on the platform of contenders for the Presidency. The great influence the sugar industry has; the fortunes being made by the drug companies, closely followed by the legal system. Not to forget the incentives to Doctors. Verified purchase: Yes Condition: New.

This book has changed my life and my husband's life.

The Grain Brain Lifestyle

We will do whatever it takes to not end up like that! We not only have lost weight, but feel absolutely fantastic. We have great sleep, every night. We have less bowel distress, constipation, gas, stomach aches, etc. We feel we can process information much better as well. We can think more clearly and have become sponges, learning new things, no problem. We no longer have "brain fog" or feel lethargic in the afternoons. Everyday is an incredible full day of energy and well being. Our minds are clear, we feel less stressed out, and more at peace.

We love our lives. We would not go back to eating gluten products for any reason what so ever! Stop eating that garbage, and realize your life's full potential. It is there to be had.


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It is so worth it! Read full review. This book is quite startling. It's author neurologist recommends a diet filled with fat. He looks at diet from the standpoint of what's good for the brain. But from the cardiologist's point of view; they would be at complete odds. The book is full of great information and I found it to be quite fascinating; and even recommended it to my primary care physician. This book lets you know that no one has all the answers when it comes to diet and health.

The book has great information that you can apply to your daily diet. It became very useful as I have read other books related to a better, healthier diet and applicable to daily life and I found this book and all it's information to be very helpful and convinient to me as I was tired of searching for a diet that I was actually sure was beneficial in the long run.

Fortunately I found that in this great book and would definately recommment to everyone out there that is tired of trying all sorts of diets that mostly focus on "looks" alone but not necessarily the healthiest on the long run. This book was recommended to me by a customer's customer after starting a discussion on cognitive decline. It is written by a recognized doctor who has a lot of practical application and research which he summarizes in this book.

He is one of the group of people who believe that a systematic approach to physical and mental illnesses will give us the ability to better deal with a range of issues from physical to mental, including cognitive decline. I think that it is a must for anyone who wants to consciously care for their own or another person's physical or mental well being. Skip to main content. About this product. New other. Make an offer:.

Stock photo. Brand new: lowest price The lowest-priced brand-new, unused, unopened, undamaged item in its original packaging where packaging is applicable. See details. See all 4 brand new listings. Buy It Now. Add to cart. About this product Product Information The devastating truth about the effects of wheat, sugar, and carbs on the brain, with a day plan to achieve optimum health.

Renowned neurologist David Perlmutter, MD, blows the lid off a topic that's been buried in medical literature for far too long: carbs are destroying your brain. And not just unhealthy carbs, but even healthy ones like whole grains can cause dementia, ADHD, anxiety, chronic headaches, depression, and much more. Perlmutter explains what happens when the brain encounters common ingredients in your daily bread and fruit bowls, why your brain thrives on fat and cholesterol, and how you can spur the growth of new brain cells at any age.

He offers an in-depth look at how we can take control of our "smart genes" through specific dietary choices and lifestyle habits, demonstrating how to remedy our most feared maladies without drugs. Additional Product Features Dewey Edition. Perlmutter provides sound advice, supported by the latest and most well respected medical research.


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Perlmutter takes us on a detailed tour of the destructive effects that 'healthy whole grains' have on our brains. Modern wheat, in particular, is responsible for destroying more brains in this country than all the strokes, car accidents, and head trauma combined.

Grain Brain The Surprising Truth about Wheat Carbs & Sugar Your Brains Silent Killers

Perlmutter makes a persuasive case for this wheat-free approach to preserve brain health and functioning, or to begin the process of reversal. Perlmutter's work has helped me better understand ways to maintain and improve brain function and to prevent and treat diseases of the nervous system that are not managed well by conventional medicine. Perlmutter outlines an innovative approach to the our most fragile organ, the brain. He is an absolute leader in the use of alternative and conventional approaches in the treatment of neurologic disorders.

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I have referred him patients with wonderful results. He is on the cutting edge and can help change the way we practice medicine. Perlmutter's credentials as a board-certified neurologist and American College of Nutrition Fellow make him a uniquely qualified voice in the debate about which foods are best for the brain and body. Perlmutter outlines an innovative approach to our most fragile organ, the brain. Perlmutter for many years.