text: They reduce inflammation in your body, and inflammation is linked to many diseases from heart disease to diabetes and cancer.  They are especially good for your brain, since most of the cells in your brain are made up of Omega 3 fatty acids.  Breast milk is also high in Omega 3, which gives you an idea of how important it is.  Be sure your pills are made from distilled fish oil to avoid contamination from pollutants like PCB'S.