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Many participants claim to benefit from these practices; some appear to achieve relief from longstanding physical or psychiatric ailments. Some, however, may develop a syndrome known as qi-gong psychotic reaction, described by DSM-IV as "an acute, time-limited episode characterized by dissociative, paranoid, or other psychotic or non-psychotic symptoms", and that "especially vulnerable are individuals who become overly involved" in qi-gong.
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Bull. ****.
