Mats Hallgren. Photo: Private.

Mats Hallgren

Assistant professor

About me

Assistant Professor, Epidemiology of Psychiatric Conditions, Substance use and Social Environment (EPiCSS); Department of Global Public Health, Karolinska Institutet.

Associate Editor: Mental Health and Physical Activity (Elsevier).

Research description

I lead a research program (Exercise for Mental Health) focusing on links between physical activity/inactivity and mental health. Current projects include exercise as treatment for alcohol use disorder ('FitForChange'), and exercise to promote healthy ageing ('FitForAge').

I also work with Swedish register data exploring relationships of physical activity, sedentary behaviour and mental health. Completed  projects include exercise for depression and first episode psychosis. Committed to translating research into clinical and public health practice. 

Teaching portfolio

I lead courses and seminars on physical activity and mental health at KI and other universities in Sweden and abroad. I also supervise master and PhD students in public health sciences.


  • PhD; Department of Public Health Sciences, Karolinska Institutet, Sweden
  • Master of Health Promotion, Karolinska Institutet, Sweden.
  • Post-graduate Diploma in Applied Science (Professional Psychology), Federation University, Australia
  • Bachelor of Arts (Psychology) - University of Melbourne, Australia.
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