article 2025 27 pages Acute aerobic exercise intensity does not modulate pain potentially due to differences in fitness levels and sex effects: results from a pharmacological fMRI study Janne Ina Nold, Tahmine Fadai, Christian Büchel JournaleLifeDOI10.7554/eLife.102392Study typepharmacological fMRI studyPopulationhealthy adults View on DOI ↗