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Hibernation presents a puzzle for neuroscience: how do animals preserve memories when their brain activity drops dramatically? A new study in mice reveals that hibernation triggers a dynamic process of synaptic loss and regeneration in the hippocampus, the brain region essential for memory formation. The research found that hibernating mice

A large-scale study involving more than 500,000 participants has found a notable association between the Shingrix shingles vaccine and reduced dementia risk. Adults who received the vaccine were 24% less likely to be diagnosed with dementia over a four-year follow-up period compared to those who were not vaccinated. Researchers

Natural killer (NK) cells are immune cells already capable of attacking cancer, but they have traditionally struggled to penetrate solid tumors and maintain their effectiveness once inside. A research team has addressed this limitation by engineering tissue-resident NK cells with enhanced capabilities. The modified cells demonstrated the ability to breach

A large-scale study has found evidence that depression significantly disrupts the brain's ability to generate new neurons in the hippocampus, a region critical for memory formation and emotional regulation. The research examined adults diagnosed with depression and found measurable differences in neurogenesis—the process by which the brain