Why Did You Die? | An Instant Help Book for Parents & KidsDescription Thousands of children each year experience the death of a loved one before they reach the age of 18, and some 10 to 15 percent of them experience mental health problems, such as depression, as a result. One study found that childhood grief is correlated with low grades, sleep problems, moodiness, behavior problems, and an inability to concentrate. When a loved one dies, children are faced with a kaleidoscope of feelings, thoughts, myths,