In a study of 75 women with breast cancer published Oct. 26, 2026, in Brain, Behavior, and Immunity, worse sleep during chemotherapy predicted more self-reported thinking problems about three months later, and explained the link between inflammation (IL-1β) and those…
In a double-blind crossover trial published Oct. 30, 2026, in the Journal of Clinical Oncology, methylphenidate improved a fatigue score by 8.9 points vs. 3.9 points with placebo in 152 adults with blood cancers. Side effects were mild but more…
In a study of seventy-four colorectal cancer survivors published Oct. 27, 2026, in Psychoneuroendocrinology, people whose cortisol rose and fell more sharply across the day reported less fatigue over the 12 months after treatment.