Dr. David Frawley (Pandit Vamadeva Shastri) on Ayurvedic herbalism

Core perspective shared by Dr. David Frawley (Pandit Vamadeva Shastri) (American Institute of Vedic Studies): "The Yoga of Herbs: Energetic classification of botanicals according to the six tastes (Rasas), thermal action (Virya), and post-digestive effect (Vipaka)." Key Works: Ayurvedic Healing: A Comprehensive Guide (1989), The Yoga of Herbs (with Dr. Vasant Lad, 1986).