Study Finds 'Chemo Fog' In Breast-Cancer Patients Is Real

Many cancer survivors report feeling they've lost some mental sharpness following treatment. This common phenomenon has come to be known as "chemo brain" or "chemo fog," which is somewhat misleading because it also occurs in people who have not undergone chemotherapy.

Although recent studies have shown that up to 75% of cancer survivors do indeed experience altered mental function — and that these changes can last for five years or longer — doctors often downplay complaints about chemo fog, says Shelli R. Kesler of the Stanford Cancer Center in Palo Alto, Calif.


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