Is Attention Deficit Disorder - Hyperactivity - a real entity in children? In adults? What drug treatments are available, and what neurochemical mechanisms probably underlie their actions?

• 注意力缺乏症-过动症-是真的存在于儿童中及成人中?可用什么样的药物治疗,什么样的神经化学机制造成他们的行为?