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饰：Himself

T. Colin Campbell

饰：Himself

Rekha Chaudhary

饰：Herself

Michael Greger

饰：Himself

Kathryn Hayward

饰：Herself

Jim Marcum

饰：Himself

Tom Riner

饰：Himself

Neal Barnard

Neal Barnard

饰：Self

Steve Forbes

饰：Self