 From your community and around the globe, or joining Mercy Ships to bring life-changing healing and hope to the forgotten poor. To learn how you too can help change the world one child at a time, go to mercyships.org today. More than 6 million kids in the U.S. have ADHD, and many aren't getting the support they need. At understood.org, we know that parents want to help, especially when their child has questions like,