The Toxic Brain Recent Discoveries in Retaining and Recovering an Active Brain
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The Toxic Brain Recent Discoveries in Retaining and Recovering an Active Brain

Is losing one's memory a reality of aging? Must we all lose mental acuity as we age? These are a few of the issues discussed in this article.
    Until quite recently, it was accepted as fact that losing one's memory and brain acuity was just a sad reality of aging.  Absent mindedness, senility, dementia and other symptoms of Alzheimer's Disease, were considered the norm associated with getting old--with little or no recourse.  The best one could do, according to many authorities, was to keep the brain active: do crossword puzzles, read, learn a foreign language, to slow down the inevitable.  But while these measures do appear to have a remarkable effect on brain activity and retention of mental facilities, recent studies show that nutrition and lifestyle play a much bigger role than ever believed possible.  Seems that not only is "what you eat what your are," your total lifestyle may well determine how your brain functions as you pass your "prime."

     BASIC BIOLOGY:   When is baby is born, its brain already holds approximately 100,000,000,000 neurons.  To accomplish this incredible feat, the fetus develops new brain cells at a rate of about 250,000 per minute over the course of a typical nine-month pregnancy.   Science now recognizes that this remarkable process is made possible due to "neuronutrient" building blocks known as omega-3 fatty acids--in particular DHA.  Very high concentrations of DHA are typically found in healthy breast milk, nature's way of providing these essential tools.  Once a baby is born, external stimulation--from many sources--triggers the brain activity needed to learn and grow, with growth spurts at ages 7, 11--12, and 15 years; spurts that yield amazing results in terms of overall cognitive function.  But for reasons not understood until recently, cognitive decline begins shortly after adulthood (around 25 years of age), setting off a gradual cascading deterioration.   But with 100 billion neurons to work with, wouldn't you think they'd be enough to promote a fully-functioning brain throughout life?   Well, it's quite possible that's exactly what nature actually had in mind--with diet and lifestyle the keys.

     DIET:     Americans have one of the highest rates of brain-toxifying diets in the world--highest in saturated fats, trans fat, chemical additives, and refined sugar.  Sugar, for example, can lead to glucose spikes and crashes, causing wildly fluctuating brain energy levels.  Fatty meats, cream and whole milk, lard, shortening, and butter contain artery-clogging saturated fats that impede blood flow to the brain and lead to poor cardiovascular health related to cognitive decline.  Cookies, potato chips, doughnuts, fried chicken, candy, muffins, and French fries are infamous for containing excessively high levels of hydrogenated fats and trans fat; fats that interfere with the absorption of omega-3 fatty acids (those essential brain building blocks), while clogging the arteries.   Junk foods and processed foods commonly contain numerous preservatives, colorings, and other harmful additives believed to interfere with brain function.   Carbonated beverages (sodas) are often high in phosphorous, which interferes with absorption of the neurotransmitter-boosting mineral calcium.   And last but not least, alcohol and caffeine are known to interfere with absorption of vitamins like B vitamins, zinc, potassium, and iron--all essential neuronutrients.  These foods can drastically contribute to a "toxic brain."

     On the other side of the coin, however, are a number of foods that improve brain activity and promote an active mind.  Fish, as the old adage goes, is "brain food."   The omega-3 fatty acids in tuna, salmon, and mackerel (great sources of DHA) help support a healthy brain.  Fruits and vegetables, especially spinach, blueberries and strawberries are bursting with antioxidants that protect the brain from "free radical" damage.  Grains like oats, millet, and brown rice protect the brain by supporting healthy blood pressure and cholesterol levels--key factors associated with the onset of Alzheimer's Disease.  Nuts and seeds like walnuts, flax, and almonds are rich in omega-3 fatty acids as well as vitamin E and calcium.   And egg yolks are a prime source of the brain-critical neuronutrient choline.  A diet containing these brain-supporting chemicals is now believed to not only improve brain activity, but reverse the damage by toxins.   

     LIFESTYLE:  While diet is a major contributor to our toxic brain condition, several lifestyle and environmental factors are known to inhibit brain activity.  Smoking, for example, depletes neuronutrients and dumps major loads of toxins into our brains.  Sedentary lifestyles (lacking brain stimulation) contribute greatly to cognitive decline (especially when coupled with other toxic intake).  Stress, so common to most of our lives today, creates a massive obstacle to cognitive function.  (In short, stress shuts down brain cells!)   Hypertension, high cholesterol and diabetes have been shown to increase age-related cognitive decline.   Alcohol (when consumed to excess) leads to short-term memory loss as well as overall cognitive decline.  And synthetic drugs (including cough suppressants, barbiturates, antidepressants, and MAO inhibitors) have been directly linked to the symptoms of dementia and cognitive decline.

     For many Americans accustomed to immediate gratification, overindulgence, and 21st century stressors, making the dietary and lifestyle changes necessary to extend mental capabilities may seem like a lot of work with little reward.  (So, I'll have a better memory when I'm old--so what?!)   But when you factor in that America leads the world in many life-threatening diseases including several forms of cancer, heart disease, diabetes, and mental illness--all of which are improved my making such a lifestyle sacrifice--it really seems like no sacrifice at all!   And when a few other realities are factored into one's health and lifestyle outlook, there can be a world of benefits far beyond the mental rewards.  Firstly, never underestimate the benefits of simple exercise.  Exercise boosts brain power and can void the brain of toxins and benefit the body in innumerable other ways--improving the circulatory, respiratory, immune, digestive, and other bodily systems.  Secondly, the brain is a "use it or lose it organ."  Learning new things--whether doing crossword puzzles, reading, or learning a foreign language--builds new synapses (mental connections) and helps reinforce old ones.  And by increasing brain function, you can positively affect all the senses--sight, sound, smell, taste, and touch.   And thirdly, dietary and lifestyle improvements will not only detoxify your brain and help you retain mental acuity, they can systemically improve the way your body functions as a whole--improving attitude, vitality (energy levels), and ability to deal with stress.   By feeding the brain, you are in reality feeding the entire body!

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Comments (6)

Excellent article! A definite must "twitter". Loads of great, useful information.

Thank you! I hope people take it to heart!

Great article. With all the junk and processed foods you mentioned in our food supply, it is amazing anyones mind functions properly.

Out of the TOP drawer James - wish more people would take this to "heart" Thanks goodness my wife is a disciple of this approach and we are hale and hearty at 72 +

jada thomas

THAT WAS A GOOD THING TO KNOW VOUTT IT

Thank you kindly!

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