How to nurse one's health by food and diet when one's with low immunity?

　　Answer:Immunity can be improved through the daily diet,to eat more seafood,because seafood contains rich protein,and iron,zinc,magnesium,selenium,copper and other trace elements.Fruit,vegetables and other green food also have a good effect of enhancing immunity.Drinking a cup of yogurt or a bowl of chicken soup every day is effective too.In addition,one should often go out for some outdoor exercise,strong body fitness,,taking oral immunoglobulin after exercise can also enhance physical fitness.