You've probably heard the terms "fatty acid" and "omega 3" before, but do you know what a fatty acid is or why your body needs it? What about the different types of fatty acids, what foods you can naturally find them in and how much your body needs to live a long, healthy life?
Fatty acids are important for all systems of the body to function normally, including your skin, respiratory system, circulatory system, brain and organs. There are two fatty acids, termed essential fatty acids (EFA) that your body does not produce on its own. EFAs have to be ingested.
The two essential fatty acids that the human body cannot produce are the omega-3 fatty acid and omega-6 fatty acid, which are important for brain development, immune system function and blood pressure regulation.
Omega-3 fatty acid (Alpha-linolenic acid) is an essential fatty acid that plays an important role in brain function and may help you fight against cardiovascular disease [1]. The American Heart Association recommends a diet in which fatty fish, like salmon, herring, sardines and tuna are consumed at least twice a week.
While these foods are high in omega-3 fatty acid, I personally do not agree with this recommendation as fish can be contaminated and may be high in mercury, which can have detrimental health effects. Plus, I believe a raw food diet consisting of little to no meat is better for the human body.
Research on the health benefits of omega-3 fatty acid have shown that it may be useful for supporting the following:
Omega-3 fatty acids are found naturally in:
Omega-6 fatty acid (Linoleic Acid) combined with omega-3 fatty acid produces many of the health benefits described above, but the trickiest part about playing the fatty acid game is that it is best to eat them in the right amounts.
You should be eating about twice as much omega-6 as omega-3, so that your omega-6 to omega-3 ratio is 2:1, but in today's world of fast food, frozen entrees, and high calorie snacks, it is not uncommon for most people to actually be getting about 15 times more omega-6 than omega-3. Washington DC's center for Genetics, Nutrition and Health suggest that eating omega-6 and omega-3 in the wrong proportions may actually negate the health benefits.
The best sources of omega-6 are seeds, nuts and grains and green leafy vegetables, like lettuce, broccoli, purslane and kale, and in certain raw vegetable oils. Care should be taken to use raw cold pressed vegetable oils because cooking destroys the benefits of the fatty acids.
Omega-6 fatty acids are also found naturally in:
Omega-9, or monounsaturated oleic and stearic acid, is a non essential fatty acid produced naturally by the body whenever there is enough of either Omega 3 and 6 essential fatty acids.
However, if you do not have enough omega 3 and omega 6, then you must get omega 9 from your diet.
This fatty acid plays a role in promoting heart health by supporting healthy, balanced cholesterol levels and improving immune function.
Omega-9 fatty acids are also found naturally in:
Within the body omega-3 fatty acids are converted to DHA and EPA (docosahexaenoic acid and eicosapentaenoic acid, respectively). DHA and EPA are highly unsaturated fats that play very important roles in the vision development and brain function of infants.
One study found significantly lower amounts of EPA in the cells of patients who had attempted suicide, suggesting that omega-3 fatty acids may actually play a role in suicide prevention. A lack of DHA has been associated with Alzheimer disease, attention disorders, phenylketonuria, cystic fibrosis and other diseases. Blue green algae is a good source of EPA and DHA.
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