Although mackerel is nutritious and offers several health benefits, there are some health and environmental concerns related to eating fish. King mackerel contains high levels of mercury ...

Omega-3 fatty acids have been linked to many health benefits. In particular, they may help promote brain and heart health, reduce inflammation, and protect against several chronic conditions.

However, she adds, it’s uncertain if these benefits come from fish oil supplements ... the tissues of fatty fish like anchovies, herring, mackerel, salmon, tuna, and more, says Yawitz.

The first time Katsuhiko Ueda, an “activist to popularize fish-eating,” tried “saba-zushi” (mackerel sushi) was in his college days when he visited a friend’s family home in Kyoto over ...