The body is governed by the mind, and the mind is governed by the Spirit/Soul/Consciousness. If the consciousness is uplifting, the mind will create behavior that is healthy and vice versa.
Mind-type is most often the same as body-type. Many times, circumstances and experiences change the qualities of the mind adding additional AIR, FIRE, or EARTH qualities. Mind qualities should be considered in all health efforts.
The application of Ayurvedic quality principles to mind and consciousness issues is Ayurvedic psychology. Each illness is often associated with a specific psychology.
Volume 2 discusses the Ayurvedic/Yogic perspectives on mind and consciousness.
A plethora of psychological and religious thought can be found. Yoga philosophy is central to Ayurveda and is best studied in the Yoga Sutras of Patanjali. The writings of the Dalai Lama are a good source of consciousness approaches.
Some consider changing one's consciousness one of the basic human needs. We do it all the time. There are many consciousness change methods with many different implications.
A simple, but not easy practice to change consciousness. In contrast to medicines, meditation requires practice over time. This inconvenience is greatly offset by its long-term benefits and lack of side effects.
Since the mind and the breath are intimately connected in subtle-body medicine, breath work has both long and short-term consciousness (and health) benefits. Breath work is an integral part of Yoga and Ayurveda.
Altering one's energy level has profound effects on consciousness. There are many methods of observing, moving, and cultivating energy. Qi Gong and Reiki are considered on this site.
Recognition that we are primarily spiritual beings effects "consciousness." An individual's outlook (philosophy) guides the mind. The mind cares for the body and varying health states are the result.