
7 Simple Brain Promoting Nutritional Tips
By Daniel G. Amen, M.D.
Here is the seven step plan to get your diet under control and to
use food as brain medicine.
1. Increase water intake
Given that your brain is about 80% water, the first
rule of brain nutrition is adequate water to hydrate your brain.
Even slight dehydration can raise stress hormones which can damage
your brain over time. Drink at least 84 ounces of water a day. It is
best to have your liquids unpolluted with artificial sweeteners,
sugar, caffeine, or alcohol. You can use herbal, non-caffeinated tea
bags, such as raspberry or strawberry flavored, and make unsweetened
iced tea. Green tea is also good for brain function as it contains
chemicals that enhance mental relaxation and alertness.
2. Calorie restriction
Substantial research in animals and now in humans
indicates that a calorie-restricted diet is helpful for brain and
life longevity. Eating less helps you live longer. It controls
weight; decreases risk for heart disease, cancer, and stroke from
obesity (a major risk factor for all of these illnesses); and it
triggers certain mechanisms in the body to increase the production
of nerve growth factors, which are helpful to the brain. Researchers
use the acronym CRON for "calorie restriction with optimal
nutrition," so the other part of the story is to make these calories
count.
3. Fish, Fish Oil, Good Fats and Bad Fats
DHA, one form of omega-3 fatty acids found in fish,
makes up a large portion of the gray matter of the brain. The fat in
your brain forms cell membranes and plays a vital role in how our
cells function. Neurons are also rich in omega-3 fatty acids. DHA is
also found in high quantities in the retina, the light-sensitive
part of the eye. Research in the last few years has revealed that
diets rich in omega-3 fatty acids may help promote a healthy
emotional balance and positive mood in later years, possibly because
DHA is a main component of the brain's synapses.
4. Lots of Dietary Antioxidants
A number of studies have shown that dietary intake
of antioxidants from fruits and vegetables significantly reduce the
risk of developing cognitive impairment. The research was done
because it was theorized that free radical formation plays a major
role in the deterioration of the brain with age.
When a cell converts oxygen into energy, tiny
molecules called free radicals are made. When produced in normal
amounts, free radicals work to rid the body of harmful toxins,
thereby keeping it healthy. When produced in toxic amounts, free
radicals damage the body's cellular machinery, resulting in cell
death and tissue damage. This process is called oxidative stress.
Vitamin E and Vitamin C and beta carotene inhibit the production of
free radicals. The Best Antioxidant Fruits and Vegetables (from the
US Department of Agriculture): Blueberries, Blackberries,
Cranberries, Strawberries, Spinach, Raspberries, Brussels sprouts,
Plums, Broccoli, Beets, Avocados, Oranges, Red grapes, Red bell
peppers, Cherries and Kiwis.
5. Balance Protein, Good Fats and Carbohydrates
Given the weight issues in my family, I have read
many of the diet programs popular in America. Some I like a lot,
others make me a little crazy. The idea of eating protein and fat
only, avoiding most grains, fruits and vegetables may be a quick way
to lose weight, but it is not a healthy long term way to eat for
your body or your brain. The best thing in my mind about the Atkins
Diet and its many clones is that they get rid of most of the simple
sugars in our diets.
Diets high in refined sugars, such as the low fat
diets of the past, encourage diabetes, tiredness, and cognitive
impairment. Yet, to imply that bacon is a health food and that
oranges and carrots are as bad as cake seems silly. The more
balanced diets, such as The Zone by Barry Sears, Sugarbusters by H.
Leighton Steward and a group of Louisiana based physicians, the
South Beach Diet by cardiologist Arthur Agatston, and Powerful Foods
for Powerful Minds and Bodies by Rene Thomas make sense from a body
and brain perspective.
The main principles to take away from these programs
is that balance is essential, especially balancing proteins, good
fats, and good carbohydrates. Having protein at each meal helps to
balance blood sugar levels; adding lean meat, eggs, cheese, soy, or
nuts to a snack or meal limits the fast absorption of carbohydrates
and prevents the brain fog that goes with eating simple
carbohydrates, such as donuts. At each meal or snack, try to get a
balance of protein, high fiber carbohydrates, and fat.
6. Pick Your Top 24 Healthy Foods and Put Them in
Your Diet Every Week
In order for you to stick with a "brain healthy"
calorie restricted nutritional plan you must have great choices. I
am fond of the book Super Foods Rx by Steven Pratt and Kathy
Matthews. It lists 14 top food groups that are healthy and
reasonable in calories. I am going to add several other choices that
are especially good for the brain. Choose between these 24 foods
each week. They are healthy, low in calories, and help us reach the
goals of consuming powerful antioxidants, lean protein, high fiber
carbohydrates and good fat.
The American Cancer Society recommends five to nine
servings of fruits and vegetables a day. Mixing colors (eating from
the rainbow) is a good way to think about healthy fruits and
vegetables. Strive to eat red things (strawberries, raspberries,
cherries, red peppers and tomatoes), yellow things (squash, yellow
peppers, small portions of bananas and peaches), blue things
(blueberries), purple things (plums), orange things (oranges,
tangerines and yams), green things (peas, spinach and broccoli),
etc.
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Lean Protein
1. Fish - Salmon (especially Alaskan Salmon
caught in the wild, farmed fish is not as rich in
omega-3-fatty acids), tuna, mackerel, herring (also listed
under fats)
2. Poultry - chicken (skinless) and turkey
(skinless)
3. Meat - lean beef and pork
4. Eggs (enriched DHA eggs are best)
5. Tofu and soy products (whenever possible
choose organically raised)
6. Dairy products - low fat cheeses and
cottage cheese, low fat sugar free yogurt and low fat or
skim milk
7. Beans, especially garbanzo beans and
lentils (also listed under carbohydrates)
8. Nuts and seeds, especially walnuts (also
listed under fats) - Great recipe: soak walnuts in water
and sea salt overnight, drain and sprinkle with cinnamon
(natural blood sugar balancer) and low roast 4 hours at 250
degrees - makes them easier to digest. |
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Complex Carbohydrates
9. Berries - especially blueberries (brain
berries), raspberries, strawberries, blackberries
10. Oranges, lemons, limes, grapefruit
11. Cherries
12. Peaches, plums
13. Broccoli, cauliflower, Brussels sprouts
14. Oats, whole wheat, wheat germ - oatmeal
needs to be the long cooking kind as instant has a higher
glycemic index since the manufacturer has broken down the
fiber to speed cooking time and basically make it a refined
carbohydrate. Same goes for bread, look for at least 3 grams
of fiber. Remember unbleached wheat flour is white flour, it
must say whole wheat.
15. Red or yellow peppers (much higher in
Vitamin C than green peppers)
16. Pumpkin squash
17. Spinach - works wonderfully as a salad,
or a cooked vegetable, adds fiber and nutrients
18. Tomatoes
19. Yams
** Beans (also listed under proteins)
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Fats
20. Avocados
21. Extra virgin cold pressed olive oil
22. Olives
** Salmon (also listed under protein)
** Nuts and nut butter, especially walnuts,
macadamia nuts, Brazil nuts, pecans and almonds (also listed under
protein)
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Liquids
23. Water
24. Green or black tea
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7. Plan Snacks
I love to snack; just like to munch on things to get
through the day. When snacking it is helpful to balance
carbohydrates, proteins and fats. Since I travel frequently, I have
learned to take my snacks with me, so I am not tempted to pick up
candy bars along the way. One of my favorite low calorie snacks are
dried fruits and vegetables. Not the kind of dried fruits and
vegetables stocked in typical supermarkets that are filled with
preservatives, but the kind that just have the dried fruit and
veggies. A company called Just
Tomatoes, from Walnut, California
makes great products. When you have dried fruit or veggies - all
carbohydrates -- add some low-fat string cheese or a few nuts to
balance it out with protein and a little fat.
Daniel G. Amen, M.D., is a clinical neuroscientist,
psychiatrist, and brain-imaging expert who heads up the
world-renowned Amen Clinics. He is a Distinguished Fellow of the
American Psychiatric Association and has won numerous writing and
research awards. He writes a monthly column in Men's Health called
"Head Check" and has published nineteen books, numerous professional
and popular articles, and a number of audio and video programs. His
books include Making a Good Brain Great (Harmony Books; October
2005;$24.00US/$34.00CAN; 1-4000-8208-0), Preventing Alzheimer's,
Healing Anxiety and Depression, Healing the Hardware of the Soul,
Healing ADD, and the New York Times bestseller Change Your Brain,
Change Your Life. He is an internationally renowned keynote speaker
and a popular guest expert for the media, with appearances on CNN,
the Today show, The View, and other venues. For more information
please visit www.amenclinic.com
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