Kelp nori belongs to vitamin and mineral food, not seafood. Seafood is indeed good. But should not often eat, eat a lot, must know "too little". From the Chinese medicine point of view, seafood seafood generally belongs to the wet and cold food, too much intake may make the human body worse than the heavier moisture, affecting health. In eating shrimp and crab seafood products can be accompanied by thank ginger, garlic and vinegar, the effect is good. Seafood generally contains a large amount of zinc, iodine and other elements, long-term large intake may cause these substances to meet the daily physiological needs of the outside caused by the deposition of these substances so as to cause the relevant intake of excessive disease, zinc, iodine excess are harmful ............ ............