Background Psychedelic medicine is approaching regulatory approval, and suggestion alone can now occasion mystical-type experiences in the laboratory. Yet the field still names altered states after their triggers, and nobody can yet show whether the state itself, rather than its context, is what heals. Objective This review reads the evidence presented at the 2026 Annual Conference of the...
**Background.** Contemplative traditions have long associated water with stillness, concealment and renewal, and divers frequently describe underwater experience as meditative. This review asks whether immersion and submersion offer a distinctive context for mindfulness practice, and what the current evidence can and cannot support. **Methods.** A narrative review integrating epic and canonical...