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chemo brain

American  
[kee-moh breyn] / ˈki moʊ ˌbreɪn /

noun

Medicine/Medical Informal.
  1. a common side effect of some cancer treatments that is characterized by cognitive impairments, such as memory and recall difficulties, confusion, difficulty concentrating, or loss of mental alertness.


Example Sentences

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Similar damage is sometimes seen in people undergoing chemotherapy and is associated with symptoms often described as "chemo brain."

From Science Daily • May 27, 2026

MIT researchers have now shown that a noninvasive treatment that stimulates gamma frequency brain waves may hold promise for treating chemo brain.

From Science Daily • Mar. 6, 2024

She completed that with "chemo brain" but said the university was "amazing" at supporting her.

From BBC • Feb. 25, 2022

But little has been known about whether being active might also alter the severity of chemo brain.

From New York Times • Oct. 6, 2021

He told her there was something wrong, and it was not chemo brain.

From Seattle Times • Dec. 18, 2010

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