www.sciencedaily.com
Scientists have discovered that breast cancer can quickly disrupt the brain’s internal clock. In mice, tumors flattened the natural daily rhythm of stress hormones, disrupting the feedback loop that regulates stress, sleep, and immunity. Remarkably, when researchers restored the correct day-night rhythm in specific brain neurons, stress hormone cycles normalized, immune cells flooded the tumors, and cancer shrank—without anti-cancer drugs.
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