The effects seen in the Stress & Health study were mediated by a reduction in perceived stress.
The findings support the theory that mindfulness training facilitates a capacity to observe and experience internal reactions to stressors as they arise with acceptance and equanimity. “In turn, this impartial receptiveness buffers initial threat appraisals, and subsequently, reduces emotional reactivity, potentially leading to greater health,” the authors wrote.
Full bibliographic information
Colgan DD, Klee D, Memmott T, Proulx J, Oken B. Perceived stress mediates the relationship between mindfulness and negative affect variability: A randomized controlled trial among middle-aged to older adults. Stress and Health. 2018;1–9. https://doi.org/10.1002/smi.2845