Whether fresh or frozen, seafood has always been a top recommendation as a great source of protein, minerals and heart-healthy omega-3 fatty acids. Thanks to modern food technology, you don't have to worry whether one or the other gives you a nutritional advantage. Frozen seafood does not have less nutrients and is just as safe as fresh seafood. In fact, the newer method of flash-freezing fish represents a strong case for you to revisit what "fresh" means in choosing fish. Here are some surprising facts.