I know fish has its laundry list of benefits, but surely consuming a large amount can have detrimental effects due to mercury, microplastics and PCBs, yet it doesn’t seem to affect blue zones like Okinawa where their citizens outlive most other nations (with a large amount of centenarians) and consume large amounts of fish.
Why is this?
In: 5
With the good and bad of eating fish, we don’t fully understand the effects of some thihgs. Mercury we do have a pretty good understanding, eating too much deep sea fish will cause issues. But mercury only causes real problems in high food chain hunting fish. The higher up the food chain a fish is, the more mercury becomes a concern, because mercury accumulates in the flesh of fish and each time a fish is eaten by a larger fish, mercury accumulates. But Not all ocean fish have significant mercury problem, some can be eaten just fine with less concern about mercury intake.
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