The Charak Samhita
, a Sanskrit text of the 2nd century CE believed to have been narrated by Lord Agnivesh, expands upon this definition, telling us that ayu is the "combination of the body, sense organs, mind and soul", the entities responsible for preventing decay.
Moreover, the science of medicine - Ayurveda was the profession of the Sudras and Charak Samhita
the father of Ayurveda was not only a Buddhist but also the physician of Buddhist emperor Kanishka.
Mango has been recommended in Charak Samhita
as the fruit which controls vata and hence prevents cancer.
Tulsi is mentioned by Acharya Charak in the Charak Samhita
, the central teaching of Ayurvedic medicine written at least two thousand years ago.
Boswellia gum has been mentioned in ancient Indian Ayurvedic texts--the Sushrita Samhita and the Charak Samhita