Each of these symptoms has been repeatedly discussed at length by Dr. Russel Barkley[0] over many years, but I suppose it is a good thing that headlines like this are continuously circulated to increase awareness. For some people, this is important news.

[0] https://www.russellbarkley.org

direct link to the study: https://www.cambridge.org/core/journals/irish-journal-of-psy...

> To understand better the ADHD symptomatology experienced by adults, qualitative interviews were conducted with 11 diagnosed adults.

as someone diagnosed & medicated for ADHD, a lot of these additional symptoms ring true for me...but this is essentially a blog post based on interviewing 11 people.