My baby is refusing to eat, he is eating half the amount he usually eats. this is happening for the past one week. should I consult a doctor or this is normal

A. Yes, it's normal for a child's appetite to slump after age 1. In fact, a decreased appetite is to be expected at this stage of development. Your child is experiencing a normal slowdown in growth from her first baby year — and with it a need for fewer calories and food.