Contemplative mental training reduces hair glucocorticoid levels in a randomized clinical trial bioRxiv Preprint Server November 13, 2020 Lara M.c. Puhlmann, Pascal Vrtička, Roman Linz et al. preprint Objective This study had the objective to investigate the effect of regular contemplative mental training on endocrine indices of long-term stress. DOI: 10.1101/2020.11.13.381038 (opens in new tab) Full text (opens in new tab)