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science/health

mRNA Cancer Vaccine Shows Promise in Preventing Melanoma Recurrence

Researchers have reported encouraging results from a large clinical trial evaluating a personalized mRNA-based cancer vaccine designed to prevent melanoma from recurring after surgical removal of the tumor. The vaccine, developed using messenger RNA technology similar to that employed in certain COVID-19 vaccines, is customized for each patient based on

AI Shows Promise in Detecting Bladder Cancer Years Before Diagnosis

Researchers have demonstrated that artificial intelligence can detect signs of bladder cancer in patients years before a formal diagnosis would typically occur. This advancement represents a significant step forward in early cancer detection, as identifying malignancies at earlier stages often leads to more treatment options and better survival rates. The

How Memories Survive Hibernation: New Research on Neural Connection Resilience

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

Shingles Vaccine Linked to Reduced Dementia Risk in Large Study

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

Scientists Engineer Enhanced Natural Killer Cells to Penetrate Solid Tumors

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

Study Links Depression to Disrupted Neuron Production in the Hippocampus

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

Early-Life Sugar Restriction May Lower Dementia Risk Decades Later, Study Suggests

A growing body of research is examining how early-life nutrition shapes long-term brain health. A new study published in PLOS ONE leverages a unique historical experiment—World War II sugar rationing in the United Kingdom—to explore the connection between childhood sugar exposure and dementia risk decades later. The researchers