ADDitude is home to a ton of informative articles on ADHD.
Here is an article on ADHD in children: https://www.additudemag.com/adhd-in-children-facts/
Here are articles on the myths and facts of ADHD: https://www.additudemag.com/category/adhd-add/adhd-essentials/adhd-myths-facts/
Here is their home page: https://www.additudemag.com/