This document discusses research on the five elements (panchamahabhut) and the three doshas (tridosh) in Ayurveda. It introduces that all subjects and the body are composed of the five elements which are the same as in the environment. It then questions what are the criteria and methods used to determine the properties of the five elements and three doshas. Specifically, it mentions that wind and space combine to form vata dosha, fire forms pitta, and water and earth combine to form kapha dosha. The document explores using the qualities and observable effects on the body to decide the properties of the doshas.