Luna is best known for his research of the entheogenic tea ayahuasca. His research has focused on traditional indigenous usage as well as the newer syncretic ayahuasca churches such as Santo Daime and the União do Vegetal. He is the director of Wasiwaska, Research Centre for the Study of Psychointegrator Plants, Visionary Arts, and Consciousness, located in Brazil; currently, they are studying the neurological aspects of ayahuasca inebriation on the central nervous system.
Writings
Vegetalismo: Shamanism Among the Mestizo Population of the Peruvian Amazon, 1986, ISBN91-22-00819-5