Medical X-Press – Florence Mowlen
Asked what they know about attention-deficit hyperactivity disorder, or ADHD, many people will likely tell you that it mostly affects children, and mostly boys. However, recent research has shown that neither of these perceptions is entirely true. There is a striking difference in the sex of children diagnosed with ADHD, with boys more likely to be diagnosed than girls (the ratios can be as high as 9:1 in some studies). However, these studies are of children who have an established diagnosis of ADHD, and such estimates are affected by referral patterns (for example, parents may be more likely to take their sons in for an ADHD assessment), so they may not reflect the true sex ratio. (more)