Key Highlights
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Acute stress directly impairs the brain’s ability to learn from new experiences by altering neurochemical and genetic activity in the orbitofrontal cortex, the region responsible for decision-making. This finding highlights how everyday stressors can have a tangible, negative impact on cognitive flexibility and mental performance.
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Cancer cells can become resistant to radiation therapy by entering a dormant-like state, driven by a specific protein modification (ubiquitination of DDX21 by HERC2) that activates a key cellular pathway. Understanding this mechanism opens the door to developing new treatments that could make cancer cells more vulnerable to radiation, improving outcomes for colorectal cancer patients.
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A new study shows that a faster, free-breathing MRI technique is just as effective as traditional respiratory-triggered methods for measuring liver chemistry, but cuts the scanning time by nearly three minutes. This advancement could make liver scans more comfortable and accessible for patients, without sacrificing diagnostic quality.
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