Final answer:
The prevalence of ADHD is approximately 5-7% in children and 3-5% in adults. ADHD is a persistent condition that can impact all areas of life, from childhood through adulthood, and is often associated with comorbid disorders.
Step-by-step explanation:
The approximate prevalence of ADHD in children and adults is 5-7% in children and 3-5% in adults, which corresponds to option (b) 5-7% in children, 3-5% in adults. ADHD affects about 9 percent of U.S. children and 4 percent of adults over their lifetimes. While it is more common in children, ADHD can continue into adulthood causing various challenges in everyday functioning, such as difficulties in education, work, and family life. It's important to note that many adults with ADHD might have been diagnosed as children or may only receive a diagnosis in adulthood. Furthermore, there is a noticeable comorbidity with other disorders, such as depression and obsessive-compulsive disorder (OCD).