Tiny fish on ketamine may show how drug eases depression

In zebrafish, ketamine causes changes a brain circuit involved in "giving up." That may help explain how the drug helps people with depression.

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Jan 7, 2025 - 09:00
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Tiny fish on ketamine may show how drug eases depression
Zebrafish larvae through a microscope in a laboratory at the Pasteur Institute in Paris in 2023.

In zebrafish, ketamine causes changes a brain circuit involved in "giving up." That may help explain how the drug helps people with depression.

(Image credit: CHRISTOPHE ARCHAMBAULT)

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