Do individuals with ADHD more often suffer from depression, anxiety, substance abuse or severe obesity, than individuals without ADHD? Are there differences between men and women in how often this is the case? Does having ADHD in addition to one of these conditions result in higher health care costs?
The short answers to these questions, are yes, yes and yes. In the CoCA-project, researchers have investigated these questions using very large datasets including Scandinavian birth registries that contain information of millions of people. This allows us to get a better understanding of how often conditions occor, how often they occur together, and how often they occur in men vs women. Furthermore, we have investigated health insurance data from Germany to study patterns of health care costs associated with ADHD and its comorbid conditions.
The interpretation of these data is however not simple. That is why we have recorded a webinar with dr. Catharina Hartman from Groningen, The Netherlands. She is the leader of these studies and can explain what these findings can and cannot tell us. The webinar ends with implications for policy makers and health care professionals, based on these findings.
Who are the most knowledgeable people about ADHD in the world? According to the website expertscape.com, these are professors Stephen Faraone (SUNY upstate University), Samuel Cortese (University of Southampton) and Jan Buitelaar (Radboud University Nijmegen).
What’s more, several scientists who are involved in our research consortia that investigate ADHD (i.e. Aggressotype, CoCA, IMpACT, Eat2beNICE) are top-ranked in this list of more than 30.000 possible experts in the field. These include Stephen Faraone, Jan Buitelaar, Philip Asherson, Barbara Franke, Joseph Antoni Ramos-Quiroga, Henrik Larsson, Catharina Hartman and Pieter Hoekstra. What this means is that the ADHD research that we do, and that is often reported on in this blog, is lead by the world’s top ADHD experts.
How is an expert defined?
The website expertscape was started by John Sotos when he was looking for an expert on Parkinson’s disease to treat his uncle. This turned out to be more difficult than he thought. As John Sotos was a doctor himself, he luckily had a large network of doctors that he could contact about this. But this made him realise that people who don’t have such a network, would not be able to find out who the most knowledgeable persons are on a particular topic. He therefore created this website expertscape.com
The way the website works is quite simple: it searches for academic, peer-reviewed publications by a certain person on a certain topic. The more someone has published on a topic, the higher this person is ranked. Thus, “[a]n expert is not just someone who knows a lot about a particular topic. We additionally require that the expert write about the topic, and be involved at the leading edge of investigation of the topic.”
This means that the site is actually not a very good tool to find a good doctor. As the website acknowledges “a great doctor has many important qualities beyond expert knowledge of your very specific medical condition.” However, it does mean that the website is pretty good at providing a simple overview of who has a lot of scientific knowledge about a specific topic.
So are they really experts?
In the past years I have met with most people in the top of this list, and I dare say that they are very knowledgeable indeed. Each of them has been working in the ADHD field for a considerable amount of time and has added important new insights into ADHD through research and publications. What I find most striking from this list however, is that most of these experts work together in consortia and international networks. And that is how the field really moves forward: by combining the knowledge of all these experts.
Several of these experts have also written for this blog: