Attention Deficit Hyperactivity Disorder Seems to Be Increasingly Diagnosed in Young

Attention Deficit Hyperactivity Disorder seems to be increasingly diagnosed in young children. Why is this somewhat controversial?

A) ADHD is a complex syndrome, and so far there's no way to effectively diagnose it.
B) It is suspected that drug companies bribe doctors in order to get them to prescribe ritalin.
C) There's no effective way to treat ADHA so diagnosing just stresses the parents and children and magnifies the problem
D) Many young children just naturally exhibit a lot of the symptoms of ADHD so it's hard to say when it's a "disease."
E) Many more boys than girls are diagnosed with the disorder.