It is a well known fact that ADHD can be hereditary. Many adults go undiagnosed until they have a child with ADHD and realize that they once struggled with many of the same things as their child.
CHADD is in the process of setting up some new blogs to help people in all different situations who are dealing with ADHD. Here is the latest one for Adults with ADHD or those in a relationship with another adult who has ADHD:
It might also be helpful for those who have teenagers with ADHD to help them with situations that they may encounter in the future. The first entry is about ADHD and sleep and I found it very interesting.