Perhaps no childhood disorder creates for controversy than Attention Deficit Disorder. Does it exist? What is the cause? Is it over-diagnosed? What is the relative importance of genetics, diet, and family environment? Etc. Just a tip of the iceberg is seen by going to a website as benign as Web MD:

What experiences have you had with ADD? Do you think it is a real disorder or a cop-out for poor parenting/unruly kids? Is it over diagnosed? Is it under-diagnosed? Should we be giving children stimulants to treat the disorder? Let's hear what you think and justify your position.