At its best, sushi “offers heart-healthy omega-3 rich foods such as fatty fish in raw and cooked forms,” says nutritionist Angel Luk, registered dietitian and founder of ...

tuna, snapper and other top-shelf raw seafood — with the cost-cutting counterfeits almost impossible to spot after the sushi’s been sliced and served. Sushi rolls. “Processed products ...

Tuna is often cooked ‘tataki’ style: the fish is seared very quickly on the outside and served completely raw in the middle ... is also used for Japanese sushi and sashimi.

Thinly sliced raw fish on plain white rice ... This is the story of sushi and the way of tuna. Video by Daire Collins and Amy Gardner Follow BBC Reel on Twitter, Instagram, Facebook and YouTube.

Scientists have warned that raw fish such as tuna, salmon and prawns are being swapped out for cheaper alternatives and being mislabelled as premium products. Studies have shown that customers may not ...