Most Atlantic salmon sold in stores is farm-raised. Farmed salmon is often exposed to pesticides, antibiotics, and synthetic colorants to enhance its pink color. Tests have shown farmed salmon contains higher levels of PCBs (polychlorinated biphenyls), which are linked to cancer.
3. Swordfish
Swordfish is a predator fish, meaning it accumulates mercury from smaller fish it eats. High mercury levels can damage the nervous system, especially in children and pregnant women.
4. Shark
Similar to swordfish, sharks contain dangerous levels of mercury and other toxins like arsenic. Eating shark meat regularly can increase the risk of heavy metal poisoning.
5. King Mackerel
King mackerel is on almost every health authority’s “do not eat” list due to its high mercury content. It is especially dangerous for children, pregnant women, and nursing mothers.
6. Tilefish (Gulf of Mexico)
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