Fish like tuna is usually higher Male Diabetes Solution in the heavy metal mercury, which can cause a variety of serious health problems. Some people believe that the chunk light forms might concentrate less mercury than the white part of the tuna. For salmon, wild caught salmon is generally healthier than farmed salmon (the farmed kind is often called Atlantic salmon).
The wild salmon has more natural nutritional value and fewer toxic contaminants than the farmed variety. In fact, the concentration of some cancer-causing substances, such as PCBs, dioxins, and pesticides, is so high in farmed salmon as to offset the benefits of eating that form of fish. If all you can find is farmed salmon, experts recommend limiting the number of meals to 1-2 per month.
Another solution is to take a good brand of fish oil regularly to make sure you get enough of the better omega 3 fatty acids.A good brand will test for contaminants and be able to guarantee the purity of their product.But, to get the most benefits from omega 3 fatty acids in your diet, you would want to eat at least one fish meal per week. Therefore, finding less contaminated forms of fish is better. Smaller fish, like sardines, can tend to accumulate fewer toxic substances than larger fish.