Sardines, mackerel, oysters, mussels and sea vegetables... this sounds a lot like me, except I also eat salmon regularly. My understanding is tuna, especially

Sardines, mackerel, oysters, mussels and sea vegetables... this sounds a lot like me, except I also eat salmon regularly. My understanding is tuna, especially the premium kinds like blue fin that show up in sushi, is loaded with mercury, PCBs and a lot of other bad news. The deleterious effect (of PCBs in this case) is already showing up in orcas that eat large prey like tuna https://phys.org/news/2018-09-pcb-pollution-threatens-killer-whales.html https://phys.org/news/2018-09-pcb-pollution-threatens-killer...