The band headline Glastonbury Festival on Sunday (June 28)
Frontman is allergic to the drug
Vedder is due to reunite with guitarist Pete Townshend for charity benefit tonight (May 14)
Guitarist for Glastonbury headliners also discusses Bruce Springsteen, Bob Dylan and Robert Plant
The band were announced as the final headliner today, with Paul Weller performing in the slot before them
Third headline act of this year's festival confirmed
The Sun suggests band will play Sunday of the festival alongside Noel Gallagher or Paul Weller
The guitarist reveals that he finds shows with the band too "easy"
The recording is lifted off the upcoming 'Classic Quadrophenia' album, out in June
The Who frontman has been a drug addiction recovery activist since the 1980s