Eat how much fish

Until now, one of the biggest knocks against farmed fish concerned what farmers fed the fish — namely, other fish. Researchers have been trying to devise pelleted feeds that contain more soy than fish. The trick is to make the pellets taste good. Sign up for our newsletter! Consumers should also consider broadening their gustatory horizons to include smaller fish, shellfish, mollusks and even seaweed, she said, giving them the additional benefit of a more diverse diet — which is also healthier.

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Seafood Choices: Balancing Risks and Benefits. Institute of Medicine : Washington, D. Cognitive deficit in 7-year-old children with prenatal exposure to methylmercury. Neurotoxicol Teratol. Maternal seafood consumption in pregnancy and neurodevelopmental outcomes in childhood ALSPAC study : an observational cohort study. Maternal fish consumption, hair mercury, and infant cognition in a U.

Environ Health Perspect. Dietary alpha-linolenic acid intake and risk of sudden cardiac death and coronary heart disease. Interplay between different polyunsaturated fatty acids and risk of coronary heart disease in men. Regular fish consumption and age-related brain gray matter loss. The contents of this website are for educational purposes and are not intended to offer personal medical advice.

You should seek the advice of your physician or other qualified health provider with any questions you may have regarding a medical condition. Never disregard professional medical advice or delay in seeking it because of something you have read on this website.

The Nutrition Source does not recommend or endorse any products. Skip to content The Nutrition Source. Harvard T. The Nutrition Source Menu. Search for:. Fears of contaminants make many unnecessarily shy away from fish. Fish are no exception. The contaminants of most concern today are mercury, polychlorinated biphenyls PCBs , dioxins, and pesticide residues.

Fish and shellfish in this category, such as salmon, catfish, tilapia, lobster and scallops, are safe to eat two to three times a week, or 8 to 12 ounces per week, according to the FDA. Swordfish, orange roughy and bigeye tuna are best avoided, as they contain the highest levels of mercury.

High levels of mercury do not usually cause health issues for most people, except for young children and women who are pregnant, planning to become pregnant or nursing. High mercury levels can damage a developing fetus or cause damage to the nervous system in young children.

And, rest assured, a diet that incorporates lower mercury fish is beneficial to your overall health, according to the FDA and EPA.