At age 4, Jeremiah Ryans routinely refused to wait in line at the water
fountain at his summer day camp. Sometimes he'd get so cranky he would hit his
classmates. But an alarm bell went off when he grabbed a pair of children's
scissors and cut his teacher's hair.
Just a kid being a kid -- or extreme behavior that may need medical help?
The answer isn't clear-cut, and it's different for every family.
"He was on the verge of being expelled from day care," remembers his
mother, Mimi, of Columbia,...