How common is Omega 3 nutritional deficiency, and how can people make sure they're getting enough Omega 3?
If I understand correctly what I've read, it may be tough to get enough Omega 3 because Omega 3 & Omega 6 compete with each other & many people consume much more Omega 6 than Omega 3.
http://www.drweil.com/drw/u/QAA400149/balancing-omega-3-and-omega-6.html
I fear the situation might be even worse for vegetarians, because from what I've read, it appears much easier to get the DHA & EPA forms of Omega 3 from animal sources.
Many vegetarian foods only provide the ALA form of Omega 3, though some algae contains EPA & DHA, & I've read it's possible for the body to make EPA & DHA from ALA.
http://www.whfoods.com/genpage.php?tname=nutrient&dbid=84
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