She felt so calmed by the mindful movement and breathing techniques she learned that Nankin brought them into her classroom—and marveled as her students calmed down after a round of “bear belly breathing.” Nankin went on to found a company, Breathe for Change, which brings mindfulness practices to teachers and students in public schools. If breathwork can work for a preschool teacher who was “overwhelmed and overworked, with little to no tools for self-care”—and her toddler students—it can help anyone, she believes.