"Eat more fish and seafood to protect against heart disease," many well-meaning but misinformed physicians and nutritionists recommend.
"Seafood is rich in omega-3 fatty acids," they state correctly, but fail to warn against the hazards of ingesting the toxic flesh, polluted fatty tissues, or diseased organs that most marine creatures contain.
If omega-3 fatty acids are nutritionally beneficial, other sources are available that ordinarily do not carry the pollution associated with seafood. Whole-grain breads and cereals contain omega-3 in abundance; so do flax seeds, sunflower seeds, and pumpkin seeds.
Seafood sales have risen more than 25 percent during the past [two] decades. Simultaneously, cholesterol problems, gastrointestinal ailments, and infestation diseases have increased: http://www.redorbit.com/news/science/533049/the_fantasy_of_fish_as_health_food_actually_a_dietary/index.html?source=r_science.