TORONTO, Aug. 01, 2023 (GLOBE NEWSWIRE) — Reunion Neuroscience Inc. (TSX: REUN, NASDAQ: REUN) (“Reunion” or the “Company“), a clinical-stage biopharmaceutical company committed to developing innovative and patented therapeutic solutions for underserved mental health conditions and MPM BioImpact (“MPM“) are pleased to announce the completion of the previously announced plan of arrangement (the…