Are Japanese sea scallops healthy?

Are Japanese sea scallops a healthy addition to one's diet? I'm interested in learning more about their nutritional value and potential health benefits. What types of nutrients do they contain, and how do they compare to other seafood options? Are there any concerns about contaminants or pollutants in Japanese sea scallops, and what steps can be taken to ensure their safety? I'd appreciate any insights or recommendations you may have on incorporating Japanese sea scallops into a balanced and healthy diet.