More threads by David Baxter PhD

David Baxter PhD

Late Founder
Drinking Coffee Tied to Better Outcomes in Colon Cancer Patients
By Nicholas Bakalar, New York Times
Sept. 22, 2020

In people with advanced colorectal cancer, drinking coffee was associated with longer survival and less cancer progression.

Drinking coffee may extend survival time in people with colorectal cancer, a new study suggests.

Researchers studied 1,171 patients diagnosed with advanced or metastatic colon or rectal cancer who could not be treated with surgery. The patients completed diet and lifestyle questionnaires, including information about their coffee consumption, at the start the study.

Compared with people who drank none, those who drank a cup a day had an 11 percent increased rate of overall survival, and a 5 percent increased rate of living progression-free. The more coffee they drank, the better. Those who drank four or more cups a day had a 36 percent increased rate of overall survival and a 22 percent increased rate of surviving without their disease getting worse. Whether the coffee was decaf or regular made little difference.

The study, in JAMA Oncology, controlled for race, smoking, alcohol intake, aspirin use, diabetes, and the addition of milk, nondairy creamers or sweeteners to the coffee.

The co-lead author, Christopher Mackintosh, a fourth-year medical student at the Mayo Clinic Alix School of Medicine, emphasized that drinking coffee is not a cure or treatment for cancer. “If a patient already drinks coffee,” he said, “they should feel fine about it. They won’t harm themselves. But I would not suggest that people begin drinking coffee to try to treat or prevent cancer.”

David Baxter PhD

Late Founder
On the other hand, coffee may be best avoided during chemotherapy:

On the other hand, tea seems to be okay during chemotherapy but whether it has the same protective benefits isn't clear, although it seems to have some of the same nutrients mentioned in the study of coffee:

Some older studies though (2009-2010) suggested that green tea should be avoided because it can interfere with the efficacy of chemotherapy.
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