It’s always difficult when your child is sick. Even if all your child has is a cold, you will worry and wonder about their health to an outrageous extent — and that’s a part of being a good parent. But when your child has a health issue that is more serious, those worries start feeling ineffective. Parents understandably hate feeling helpless, and nothing will make you feel more helpless than having a sick child who needs more than a bit of cold medicine and a few days in bed to make them feel better. Sometimes, more serious health issues don’t …