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Anxiety can be created by the body, mouse heart study suggests

Artificially raising a mouse’s heart rate leads to anxious behaviour.
  1. Sara Reardon

    1. Sara Reardon is a freelance journalist based in Bozeman, Montana.

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Emotions such as fear and anxiety can make the heart beat faster. Now a study in mice has found that the reverse is also true — artificially increasing the heart rate can raise anxiety levels1.

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doi: https://doi.org/10.1038/d41586-023-00584-2

References

  1. Hsueh, B. et al. Nature https://doi.org/10.1038/s41586-023-05748-8 (2023).

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  2. Garfinkel, S. N. et al. J. Neurosci. 34, 13435–13443 (2014).

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