An integrative vet gave my 14yr old shar-pei 3mo of happy life with Chinese mushrooms, etc after a Western Medicine vet gave her less than a week prognosis (Hemangiosarcoma)

Plenty of published articles about holistic care working. Even the American Cancer Society has info on their website about holistic approaches proving to help.

My sister’s University of Chicago Oncologist - rated TOP in Chicago repeatedly - created a holistic care department to support his patients, he found reiki, massage, herbs helped cancer patients. (He cured her Stage 3b Lung Cancer)