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2. Mercury in fish - Wikipedia

   en.wikipedia.org/wiki/Mercury_in_fish

   Species of fish that are long-lived and high on the food chain, such as marlin, tuna, shark, swordfish, king mackerel and tilefish contain higher concentrations of mercury than others. [4] Cetaceans ( whales and dolphins ) also bioaccumulate mercury and other pollutants, so populations that eat whale meat , such as the Japanese , Icelanders ...

3. These fish are the best and worst for your health, say experts

   www.aol.com/fish-best-worst-health-experts...

   Tuna is high in some vitamins, but it's lacking in other important nutrients, so enjoy this fish only a couple of times a week. Because of its high mercury content, it may need to be avoided by ...

4. 12 Healthiest Canned Tuna Brands - AOL

   www.aol.com/12-best-canned-tunas-grocery...

   Mercury in Tuna. The mercury content of tuna is a concern, especially for pregnant women, nursing mothers, and young children. When consumed in high amounts, mercury can adversely affect the ...

5. Why You Don’t Need to Worry (Too Much) About Mercury ... - AOL

   www.aol.com/why-don-t-worry-too-144200815.html

   Per Ciarametaro, tissue concentration of 100 ng/mL of methylmercury or greater is commonly considered 'high'. Your doc can test your mercury levels via blood or urine tests.

6. Tuna - Wikipedia

   en.wikipedia.org/wiki/Tuna

   A tuna (pl.: tunas or tuna) is a saltwater fish that belongs to the tribe Thunnini, a subgrouping of the Scombridae family.The Thunnini comprise 17 species across five genera, [2] the sizes of which vary greatly, ranging from the bullet tuna (max length: 50 cm or 1.6 ft, weight: 1.8 kg or 4 lb) up to the Atlantic bluefin tuna (max length: 4.6 m or 15 ft, weight: 684 kg or 1,508 lb), which ...

7. Tuna is increasingly popular in the US. But is it good for you?

   www.aol.com/tuna-increasingly-popular-us-good...

   There are 15 types of tuna globally, Weintraub notes, but in Western counties, the most popular ones include albacore, bigeye, yellowfin, bluefin and skipjack - the last of which remains the top ...

8. Southern bluefin tuna - Wikipedia

   en.wikipedia.org/wiki/Southern_bluefin_tuna

   The southern bluefin tuna have a large gill surface area which is important for oxygen consumption and handling high osmoregulatory costs, associated with the high resting metabolic rate. [25] They can adapt to increasing water salinity, where the ionocyte increase in size, gill filaments become thicker, the surface area of the basolateral ...

9. Nurseries ban tinned tuna over mercury level worry

   www.aol.com/news/nurseries-ban-tinned-tuna-over...

   The tuna canning process means that mercury concentration is doubled or tripled, according to Bloom. "We heard that tuna may pose a risk over time, especially with young children," said Ms Wilson.