The correct answer is B. Regional discrepancies might be associated with low socioeconomic status, which is considered a risk factor. Attention Deficit Hyperactivity Disorder or shorter (ADHD) is one of the most common neurodevelopmental disorders in children. The symptoms include difficulty staying focused and paying attention for a longer periods of time, difficulty controlling behaviour and hyperactivity. The origins of ADHD are complex and multidimensional and combine environmental factors such as the socioeconomic status, institutionalized care, and exposure to violence or trauma during childhood, and ofcourse genetic factors.
