date:Nov 13, 2012
Kings College in London said that the highest levels of omega-3 fatty acids are found in predator fish because they are accumulated along the food chain, and a 140-gram serving of mackerel will provide 4.5 grams of these polyunsaturated acids. However, he pointed out that it was not just how much of what type of fish was consumed, but how it was served was also important.
For example fish fried in batter was less healthy than fish that was simply grilled, and salted fish raised a persons blood