Charak Samhita
दोषाः पुनस्त्रयो वातपित्तश्लेष्माणः। ते प्रकृतिभूताः शरीरोपकारका भवन्ति, विकृतिमापन्नास्तु खलु नानाविधैर्विकारैः शरीरमुपतापयन्ति ॥५॥
[Effect of rasa on dosha] Dosha are three – vata, pitta and kapha. In their normal state, these are beneficial to the body while in an abnormal state, these afflict the body with various disorders.
english translation
दोषाः पुनस्त्रयो वातपित्तश्लेष्माणः। ते प्रकृतिभूताः शरीरोपकारका भवन्ति, विकृतिमापन्नास्तु खलु नानाविधैर्विकारैः शरीरमुपतापयन्ति ॥५॥
[Effect of rasa on dosha] Dosha are three – vata, pitta and kapha. In their normal state, these are beneficial to the body while in an abnormal state, these afflict the body with various disorders.
english translation