Vidal-Pineiro, D., Wang, Y., Krogsrud, S. K., Amlien, I. K., Baaré, W. F., Bartres-Faz, D., et al. (2021). Individual variations in 'brain age' relate to early-life factors more than to longitudinal brain change. eLife, 10: e69995. doi:10.7554/eLife.69995.