Ephedra, the oldest medicinal plant with the history of an uninterrupted use.

Ephedra was a source of anti-fatigue drink. In later period it became a drink of immortality and longevity. The use of Soma as the first drink of a newly born child is mentioned in Rigveda. The author identifies the Soma of Rigveda with the Ephedra and established its use in ancient Rome and also highlights here its continuity among Zorostrains.