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CO2 anaesthesia

Intervention

1 finding

C, W, M, H: cells, worms or flies, mice, humans. Dark: independent labs found the same change there. Light: one lab or one study. Outline: nothing yet.

Labs are independent when their papers share no last author and no institution.

Against: findings that point the other way from most findings on the same outcome.

On aging: the drug’s trials ARN judged to be about aging, of every trial that tests it for any use.

No results posted: trials that ended more than a year ago with no results on ClinicalTrials.gov and no paper in ARN’s record.

Company ties: findings with an author at a company, or from a paper whose competing-interests statement declares ties to one.

  • 1 lab in 1 country
  • Funder: Narodowe Centrum Nauki

Outcomes

1

Optimistic cognitive bias

upin A. mellifera1

1 study

  1. CO2 anaesthesia increases optimistic cognitive bias in A. mellifera.

    “Results showed that bees subjected to life-shortening treatments exhibited more optimistic cognitive biases, as indicated by an increased likelihood of extending their proboscis to ambiguous odours.”

    Model organismslife-shortening treatments (CO2 anaesthesia or thoracic puncture)

    Age and attitude: How longevity influences cognitive biases in honeybee workers

    Proceedings. Biological sciences22 Oct 2025

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