These fatty acids may also help to prevent the hardening of the arteries associated with heart disease. It's important to remember that omega-3 fatty acids alone will not cure cardiovascular disease. Fish consumption needs to be combined with a well-balanced diet to help reduce the risk for high blood pressure, heart attacks and strokes. It is important to monitor how the fish is prepared, especially when eating out. Although omega-3 fatty acids may be beneficial, fried fish or fish slathered in butter and sauces increase the saturated fat and total fact content of the meal.
Environmentalists are concerned about the levels of chemicals in many rivers, lakes and oceans.
Unfortunately, fish are at an increased for contamination if their environment is unsafe. Some researchers suggest that freshwater fish like striped bass, bluefish and lake trout may be contaminated with carcinogenic chemicals or environmental pollutants. Some ocean fish, fresh tuna, bluefish, shark and swordfish for example, may contain harmful chemicals like mercury. To decrease your exposure to mercury, it is recommended that you limit your consumption to no more than once per week. Pregnant women may want to avoid consuming fresh tuna, bluefish, shark or swordfish, but canned tuna is acceptable.