My 8 year old son puts everything he touches in his mouth.. he has been this way all his life. I know it is normal for young children to do this while teething but he is 8 now. He has chewed his fingernails down to numbs. Everything goes into his mouth, toys, shoestrings, watches just anything he picks up goes to his mouth. He chews everything up until there is nothing left and its really becoming a problem. Can anyone tell me what would cause this oral fixation or point me in the direction of some websites that would offers some answers and some help to stop this.
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