Based on the provided source, here is a neutral, documentary-style summary of Pascal Martelli:
Pascal Martelli is a practitioner of pranic living, also identified as a scientist in the source material. His central claim is that he lives on prana, a form of life-sustaining energy, rather than consuming conventional food. This claim was presented in an interview with Elitom El-Amin, another figure in the breatharian community, during which Martelli explained his personal process for achieving and maintaining this state.
The provided information does not specify when Martelli began his practice of pranic living. Furthermore, the source material does not reference any formal observations, scientific studies, or specific controversies related to his claims. The summary is based solely on the description of an interview where he discusses his methods.