Among nearly 1,100 people living with colorectal cancer, researchers have found that what patients drink after diagnosis may quietly shape how long they live — though the relationship resists simple interpretation. A multiethnic cohort study published in Cancer Causes & Control found that decaffeinated coffee was associated with lower all-cause mortality, independent of caffeine, while the highest levels of total caffeine intake correlated with reduced risk of both all-cause and cancer-specific death. The findings do not establish cause, but they deepen a question medicine has only begun to ta