Björn Högberg, Karolinska Institutet (IMAGE) Karolinska Institutet Caption This is Björn Högberg, professor at the Department of Medical Biochemistry and Biophysics, Karolinska Institutet, Sweden. Credit Ulf Sirborn Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.