This document discusses the types and nutritional benefits of sushi. It notes that sushi can be made with various ingredients like fish, seafood, vegetables, and rice. The most common types of sushi eaten in the US are maki rolls and nigiri, which is rice topped with fish or seafood. Many sushi ingredients provide protein and omega-3 fatty acids, which can lower blood pressure and improve cholesterol levels. Seaweed commonly used in sushi also contains various vitamins, minerals, and antioxidants.