Sushi is generally safe to eat, but some bacteria in sushi, sashimi and cold-smoked fish products can pose a risk to people who eat such foods frequently, especially people with weak immune systems, children and the elderly.

Source: https://phys.org/news/2023-09-safe-sushi-bacteria-pose.html

Sustainably farmed Norwegian salmon is cured with salt, then double-smoked (twice as long as typical for cold-smoked salmon) over beech in Outrup, Denmark.

Source: https://www.nytimes.com/2023/01/03/dining/sparkling-mead-heidrun.html