Hence one should initiate any treatment after acquiring complete knowledge of the nature of the disease as well as its pathogenesis, location and etiological factors.
यो ह्येतत्त्रितयं ज्ञात्वा कर्माण्यारभते भिषक्| ज्ञानपूर्वं यथान्यायं स कर्मसु न मुह्यति ||४७||
The one who initiates the treatment after knowing all these things, rationally and according to prescribed procedure, does not get confused in actions.
[Discussion on dosha] Vata, pitta and kapha- these three dosha are always present in the body of all living beings. The learned should know about their normal or abnormal states.
[Functions of normal vata dosha] Enthusiasm, inspiration, expiration, movements, normal processing of dhatu (body tissues), and normal elimination of excreta are the normal functions of vayu(vata).
दर्शनं पक्तिरूष्मा च क्षुत्तृष्णा देहमार्दवम्| प्रभा प्रसादो मेधा च पित्तकर्माविकारजम् ||५०||
[Functions of normal pitta dosha] Vision, digestion, (production of) heat, hunger, thirst, softness in body, luster, serenity and intelligence are the normal functions of pitta.