Some of the most common conditions that highly affect the children are coronary artery disease, irregular heart rhythm, fetal cardiac abnormalities, children with heart murmurs, cardiovascular abnormalities, palpitations or fainting, cyanosis, asthma, eczema, hay fever, hives, sinusitis, underactive or overactive thyroid gland, obesity, chronic diarrhea, feeding problems, chronic constipation, pancreatitis, anaemia, anxiety disorders, learning disorders, autism, etc.