Marie‐Pierre St‐Onge

This paper shows that GDF15 levels rise with psychosocial stress, depression, anxiety, and biological aging, and that saliva GDF15 has a distinct diurnal pattern and responds rapidly to acute stress.

This study meta-analyzes energy expenditure in mitochondrial defect models, finding elevated energy costs in 51% of animal studies and similar trends in humans, suggesting hypermetabolism.