Study design: This is a longitudinal study, where biological age assessment is conducted in the first and final week of an 11-14 week lifestyle intervention course. These courses take place at a Danish folk high school (Ubberup), which is specialized in performing intensive lifestyle interventions targeting a 10% weight loss. The intention is to include 80 adult men and women.
Data collection: This will take place at the facilities at Ubberup folk high school, participants being overnight fasted and without having exercised for the previous 24 hours. All analysis will be performed in investigators lab (Xlab) at the Department of Biomedical Sciences, Copenhagen University. When all samples are analysed Biological age will be calculated for each particpant.