http://articles.mercola.com/sites/articles/archive/2006/01/14/protect-your-health-from-pollution-with-fish-oil.aspxPollution exposure can cause heart rate variability to decline, which is a risk factor for problems including cardiac arrhythmia and heart attack. A new study indicates that fish oil may help counter air pollution-related changes in heart function. FishenCommunityServer 2008.5 SP1 (Build: 31106.3070)http://articles.mercola.com/sites/articles/archive/2006/01/14/protect-your-health-from-pollution-with-fish-oil.aspx#33479Tue, 22 Apr 2008 15:00:21 GMT24451277-a5aa-4add-96dc-64081bfd86fa:33479sicl4015<p>What is the true difference between &quot;fish oil&quot; and &quot;cod liver oil&quot;? &nbsp;</p> <p>Obviously, one comes from the whole fish (does that include the liver?) and one only from the liver. &nbsp;</p> <p>The liver has naturally occuring vitamin A and D, but not in great amounts. &nbsp;If you need to supplement D you won't get it from the cod liver oil (anyone living north of Atlanta and or doesn't get out in the sun much - which is most everyone in USA). </p> <p> I have found several examples where fish oil offers much more concentrated Omega Fatty Acids (Carlsons is one) compared to cod liver oil. &nbsp;</p> <p>Are these the ONLY differences?</p> <p>They appear to be all processed the same way....</p> <img src="http://articles.mercola.com/aggbug.aspx?PostID=33479" width="1" height="1">