The Hypothesis of the Commonality of Attention Deficit Hyperactivity Disorder Within North America, the Reason Patients With Attention Deficit Hyperactivity Disorder Are More Likely to Smoke Cigarettes, the Reason Smoking Cigarettes Improves Focus for Patients With Attention Deficit Hyperactivity Disorder, the Correlation Between Attention Deficit Hyperactivity Disorder and Incarcerated Persons, the Gender and Stage of Life Which is Easiest for Physicians to Diagnose Attention Deficit Hyperactivity Disorder, Young Boys With Attention Deficit Hyperactivity Disorder vs Young Girls With Attention Deficit Hyperactivity Disorder, the Age When Boys Develop Signs and Symptoms of Attention Deficit Hyperactivity Disorder vs the Age When Girls Develop Signs and Symptoms of Attention Deficit Hyperactivity Disorder, the Majority of Children With Attention Deficit Hyperactivity Disorder Having a Parent With the Same Diagnosis, the Reason Laboratory Mice Are Utilized for Attention Deficit Hyperactivity Disorder Studies, the Correlation Between Smoking During Pregnancy and the Child Developing Attention Deficit Hyperactivity Disorder, the Damage Caused by Cigarette Smoking During Pregnancy Affecting Multiple Generations Within a Family, the Hypothesis of Why Attention Deficit Hyperactivity Disorder is Diagnosed Frequently During the Modern Day, and the Length of Time Patients With Attention Deficit Hyperactivity Disorder Require to React to Stimuli and the Disbenefit of This