Swiss researchers say people can reduce their allergy symptoms by up to one-third just by thinking about a place that is free of allergens.

The researchers at University Hospital in Basel, Switzerland, based their conclusions on 40 people they recruited and trained to hypnotize themselves for two years.



The researchers said the group showed one-third fewer symptoms while using hypnosis, a conclusion based on self-analysis and congestion tests.



An allergy expert told the British journal Nature that the results could have been influenced by patients’ belief that hypnosis would reduce their symptoms.



Lead researcher Wolf Langewitz agreed that a larger study is needed.



We felt that the results were encouraging enough to tell people to try it, because this intervention is free of side effects, Langewitz said.



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