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Aquarium therapy is the use of an aquarium to provide potential health benefits.〔 〕 == Health Benefits == Contemplation of fish in an aquarium seem to have a significant effect in reducing levels of stress and anxiety. The effects of the presence of an aquarium on patients awaiting electroconvulsive therapy were examined in 2004 study by Purdue. While statistically significant differences in blood pressure and heart rate between the test and control were not found, the patients demonstrated a 12% reduction in self reported pre-treatment anxiety.〔 〕 In a 1985 study of dental patients, both contemplation of an aquarium and hypnosis, used together or alone, produced a significant increase in relaxation in comparison to a control group and a group of patients who contemplated a poster. This study also found that hypnosis did not augment the effects of exposure to an aquarium. Degrees of relaxation were determined by both subjective and objective criteria, and included blood pressure and heart rate.〔 〕 Additional studies confirm that watching fish in an aquarium can be effective in reducing anxiety in patients awaiting dental surgery. Observation of aquaria has also been shown to reduce muscle tension and pulse rate in elderly subjects in comparison to control groups who watched a placebo video tape or a video tape of an aquarium.〔 〕 Although aquarium owners often report problems with maintaining tank cleanliness and controlling temperature and water balance, they also claim that watching fish has a calming effect and creates a feeling of serenity.〔 〕 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Aquarium therapy」の詳細全文を読む スポンサード リンク
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