Sushi (寿司) is food that use rice seasoned
with sweet rice-wine vinegar, and commonly topped with other
ingredients, such as fish or other seafood or put into rolls. Raw fish
is the most popular ingredient in sushi, but the main element of sushi
is Japanese sticky rice. There are many kinds of sushi, which don't
include raw fish. Cooked fish, shellfish, vegetables and various other
ingredients can be combined in sushi.
Sushi is low in fat and is a very nutritious food. 7 to 9 pieces
contains about 300 to 450 calories. The fish in sushi provides protein
and is a good source of omega-3. Vegetables provide vitamins and seaweed
is rich in iodine.