Defiance, aggressiveness, and cruelty. Before the early nineteen hundreds a person with these characteristics would be thought to be evil or even the work of the devil himself. Today, we know that these are just a few of the many symptoms of Attention Deficit Hyperactive Disorder, also know as ADHD. Between now and the early nineteen hundreds and few years before, ADHD has gone through many changes such as its name, the way people view …showed first 75 words of 946 total…

…showed last 75 words of 946 total…caused by biological factors. There is more to the misbehavior of the children than it being just the work of Satan. The many theories and ideas about Attention Deficit Hyperactive Disorder have been left too hard to prove thanks to the long hours and days that researchers have spent to find out exactly what ADHD is. All of the theories and ideas about Attention Deficit Hyperactive Disorder have changed greatly over time for the better.