Recent research has shown a relationship between depression
and diet. People who follow more of a Mediterranean diet were noted to have
less depression and more positive mental health. While all the benefits of the Mediterranean
diet are not known, it is thought that folate and omega-3 essential fatty acids
are of the utmost importance.
Folate, a water -soluble B vitamin, is found in beans, green
vegetables and whole grains. These are the foods that you want to eat more of in
order to receive the physical and mental health benefits of folate. Very good sources of folate, in order of strength, include soy beans, chick peas, pinto beans, spinach, lima beans,
papaya, wheat germ, and asparagus.
There are two main types of Omega 3 essential fatty acids –
Docosahexaenoic acid (DHA) and Eicosapentaenoic acid (EPA). Both are important for heart and brain health
and are found in deep ocean fatty fish such as salmon, sardines and
mackerel. Taking Omega 3 supplements is
also an option along with eating nuts and Omega 3 enriched eggs. A third type
of Omega 3 is called Alpha Linolenic Acid (ALA) which can be found in flax seed
and some green vegetables. ALA is
converted to DHA and EPA by the body. The human body does not manufacture omega-3
essential fatty acids and we must get them from our diet.
Omega-6 fatty acids are another essential fatty acid that
must be properly balanced with Omega-3s in order for us to achieve optimal
health. The American diet is extremely out of balance. The ideal balance is 2:1
Omega 6 to Omega 3. However, because of the overuse of refined vegetable oils
found in processed foods, we are getting far too much Omega 6 and not enough
Omega 3.
Beef is another source of excess Omega 6. Cows are feed corn
and other grains which raise the Omega 6 content greatly. Cows that are fed grass, the food source
intended for cows, have the correct Omega balance. In the typical American diet
replete with processed and fast foods and grain feed beef, the average ratio of
Omega 6 to Omega 3 is 15:1. This
imbalance in our dietary Omega 3s and 6s is thought to contribute to obesity,
depression, dyslexia, hyperactivity and aggressive behavior.
You can make the necessary dietary changes to reduce the
Omega 6 fatty acids and increase Omega 3 fatty acids by making some simple,
progressive changes in your diet. Reducing
the intake of processed foods (most foods that come in a package and/or have
been changed from their original, natural, whole form) and reducing the intake
of polyunsaturated vegetable oils (corn, sunflower, safflower, soy and
cottonseed oil).
In summary, to balance Omega 3s and 6s, eat more deep ocean fatty fish, beans, nuts, green vegetables, whole foods, whole grains, fruits, grass
fed beef and reduce processed and fast foods, including junk foods. For those who wish to make more substantial
changes to their diet for greater mental and physical health, consider adopting
the Mediterranean diet or the similar anti-inflammatory diet for optimal
health. Links for more information about
these diets are provided below.
http://www.drweil.com/drw/u/ART02012/anti-inflammatory-diet
Submitted by Holly O. Houston, Ph.D.
Licensed Clinical Psychologist
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