Mass General Brigham Apr 25 2026 Researchers say the finding highlights the need for more evidence and better conversations about risks and benefits of mindfulness, yoga, tai chi, acupuncture, and other complementary health approaches. A new study by investigators from Mass General Brigham suggests that complementary health approaches (CHA)-including massage, yoga, tai chi, herbal products, acupuncture , spiritual practices, cannabis and psychedelics-are now a routine part of health and