My younger son is 2.5 years old the problem is his hair is not growing as normal, when he was 5 months old he was 1st bald after that he had little bit curly hair when he was 1 Yr but it was frizzy not good then again he was bald for the 2nd time from there frequently making him bald because no proper hair growth it is too short on his head no quality nd quantity am worried about his hair and he is good @ food eat all kind of vegetables fruits meat etc everything but still no improvement on head please help me out what can be done or i should consult a doctor.