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flag Night shifts and jet lag may increase aggressive breast cancer risk, per Texas A&M study.

flag A Texas A&M University study links disrupted circadian rhythms from night shifts or frequent time-zone travel to a higher risk of aggressive breast cancer. flag Researchers found that such disruptions accelerated tumor development by nearly four weeks in animal models, increased tumor spread to the lungs, altered healthy breast tissue structure, and weakened immune responses. flag The findings, published in Oncogene, suggest maintaining regular sleep patterns may help reduce cancer risk and point to potential new prevention strategies.

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