Summary: A new rat study shows that a maternal diet high in high-fructose corn syrup during pregnancy produces lasting learning and memory deficits in offspring. The research demonstrates that prenatal fructose exposure directly alters fetal neural stem cells (NSCs)—the master cells responsible for neurogenesis—creating persistent epigenetic changes that impair brain development into adulthood. By analyzing … Read more

Summary: Modern cities, globalized economies, and highly curated digital networks are overstimulating ancient social survival instincts. Instead of viewing mental health struggles as isolated lifestyle failings, the authors argue that contemporary environments magnify competitive anxieties, turning a once-adaptive need for community and status into an ongoing, screen-driven cycle of comparison and stress. Key Facts The … Read more

Summary: Researchers argue that aphantasia—the complete inability to form voluntary mental images—poses a serious challenge to David Hume’s imagistic account of thought and to contemporary image‑based models of cognition. People with severe aphantasia report a total blank when asked to visualize a rainbow, a loved one’s face, or their childhood bedroom; they describe absolute darkness. … Read more

Summary: New mouse research reveals a clear brain–gut–bone marrow axis that links chronic psychological stress to premature aging of blood-forming stem cells. The study shows that long-term stress suppresses activity in specific brain regions, destabilizes the gut microbiome—especially depleting Lactobacillus reuteri—and sharply reduces levels of the microbial metabolite spermidine. Without spermidine, hematopoietic stem cells (HSCs) … Read more

Summary: Researchers at the University of North Carolina at Chapel Hill created a new automated evaluation framework called CASPER to compare thousands of human-authored and AI-generated stories across eight dimensions rooted in literary theory. Their analysis shows a consistent pattern: contemporary AI story generators tend to remove the element of mystery that often makes human-written … Read more

Summary: A new reanalysis has revived and expanded a long-debated chapter in primate and human evolution. Using modern molecular genetic dating and updated phylogenetic statistical methods, researcher Robin Dunbar re-examined a classic dataset and found clear evidence that, in several primate lineages including the hominin branch, body size increased first and brain size lagged behind—only … Read more

Summary: Researchers examined archived audio-video recordings of 12-month-old infants interacting with their mothers. The team found that when mothers were slower to vocally respond to their one-year-old’s natural babbles and vocalizations, those children were more likely to receive a diagnosis of a disruptive behavior disorder (DBD) or Attention‑Deficit Hyperactivity Disorder (ADHD) by age seven. This … Read more

Summary: A large, long-term epidemiological study using robust sibling-matched methods has addressed concerns about the safety of paracetamol (acetaminophen) use during pregnancy. Researchers analyzed deidentified electronic health records for more than 700,000 mother–child pairs across over two decades and compared siblings within the same families where one pregnancy included paracetamol exposure and another did not. … Read more

Summary: By tracking living circuit dynamics in transgenic mouse models, researchers uncovered a pronounced, previously hidden imbalance in the motor cortex: a specific class of cortical inhibitory neurons—vasoactive intestinal peptide (VIP) neurons—becomes markedly underactive and near-silent as Huntington’s disease progresses. Using optogenetics, a precise light-based method, the team reactivated these suppressed neurons. That targeted stimulation … Read more

Summary: Researchers caution that unregulated reliance on conversational AI could undermine critical emotional and social development in adolescence. Their study argues that current AI chatbots lack built-in developmental safeguards, risking the displacement of real-world interactions and the reinforcement of unhealthy relational expectations. While acknowledging that AI can serve as a timely, nonjudgmental resource—especially for marginalized … Read more