WHAT IS AYURVEDA ?- The Veda (science) that deals with Ayu (life) is Ayurved.
“हितअहितम्सुख़म् दुख़म् आयुस्यतस्य़ हित अहितम् ।मानम् च तच्च यत्रोक्त आयुर्वेद स उच्यते ॥”
The science that focuses on Hita (good) and Ahita (bad), Sukha (happiness) and Dukha (sadness) state of life is Ayurveda.