GoToHealth Media Video

Anxiety Depression Substance Use Obesity ADHD-Prof Dr Andreas Reif-Catharina Hartman PhD

Individuals with anxiety, depression, substance use, mood disorders, or obesity often have an underlying condition of ADHD (attention deficit hyperactive disorder) and should be screened for ADHD symptoms.  Conversely, ADHD patients and their providers should be on the lookout for the symptoms listed previously.

How do we know this?  Thanks to the COCA Project (comorbidities of ADHD).

The COCA study is a consortium of 17 medical institutions in 8 European countries studying the comorbidities (co-occurring medical conditions) of ADHD, such as depression, anxiety, mood and substance use disorders, and obesity.  In addition, the project is studying the effects of light therapy and exercise to see what if any effects these have on symptoms.

Join us as Drs Andreas Reif and Catharina Hartman describe what’s being studied, the methods, and what they have found to date.  Results are being published shortly, and this project implies further interesting avenues of research.

Learn more at  

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About Your Presenter

Professor Doctor at Chair, Department of Psychiatry, Psychosomatic Medicine and Psychotherapy, University Hospital Frankfurt | Website | + more

Professor Doctor Andreas Reif is Chair of the Department of Psychiatry, Psychosomatic Medicine, and Psychotherapy at the University Hospital of Frankfurt, Germany.

Dr. Reif is the Project Leader for the COCA study, which is a consortium of 17 medical institutions from 8 European countries studying the comorbidities (or co-occurring medical conditions) of ADHD, such as mood disorders, depression, anxiety, obesity, and substance use disorders.

You can learn more at

Associate Professor at University Medical Center Groningen (UMCG), the Netherlands | + more

Dr. Catharina A. Hartman is Associate Professor of psychiatric epidemiology at the University Medical Center Groningen (UMCG), the Netherlands.

The overall objective of her research is to advance the understanding of the onset and long-term course of childhood-onset psychiatric disorders.
The leading hypothesis in her work is that childhood psychiatric disorders accelerate the onset of other psychiatric and somatic disorders, throughout the lifespan and across generations.

Dr Hartman’s team uses data from longitudinal studies. She has authored over 200 original peer-reviewed papers and has a broad international research network.

Her current project is Comorbidities of ADHD.