my grandson just turned 1 year old in December. He takes steps but does not really walk. My concern is that he does not talk, not a syllable, although my daughter said that he said dada a while back.He is normal in everything else. plays enjoys TV CHILDREN S shows, eats well, laughs,sleeps well, The fact he does not even say mama is troubling me. he shows mild anger, makes loud noises,like screams a little, throws things away, toys bottle, grabs everything puts it in mouth.Thank you for your help