He has also worked on systematic reviews and meta-analyses within other areas of public health as well as on projects in the EPIC-study, and in South American case-control studies.
Some of his research interests are:

Dietary factors and the risk of chronic diseases and mortality

Adiposity, physical activity and risk of chronic diseases and mortality

Smoking and risk of chronic diseases and mortality

Adiposity, diabetes, physical activity, diet and risk of pregnancy complications

Diabetes and insulin resistance and risk of chronic diseases and mortality