Brain scans probe if ancient oil scent can lift mood
Symptom relief
Completed
This study tested whether smelling a traditional Chinese herbal oil (Cang-ai) for one month could help reduce symptoms of depression. Researchers enrolled 60 young adults with mild to moderate depression and had half smell the Cang-ai oil daily, while the other half smelled a com…
Phase: NA • Sponsor: Dongdong Qin • Aim: Symptom relief
Last updated Mar 09, 2026 14:26 UTC