Summary: New long-term research shows that visceral fat—the deep abdominal fat hidden around organs—is a major driver of brain atrophy and cognitive decline in late midlife. The study links sustained reductions in visceral fat to preserved brain volume and better cognitive performance, with glucose regulation and insulin sensitivity appearing to mediate this relationship. A cohort … Read more

Summary: Researchers have identified a cortical mechanism that acts like a dial, shifting the body from rest to action by regulating autonomic arousal. A new study highlights the anterior cingulate cortex (ACC) as a key regulator of autonomic arousal—the involuntary physiological response that prepares the body for stress, movement, or threat. By modulating this “dial,” … Read more

Summary: Creatine is much more than a gym supplement. It is a naturally occurring compound essential for cellular energy metabolism. Produced in the liver, kidneys and pancreas, about 95% of the body’s creatine is stored in skeletal muscle, with the remainder supporting high-energy tissues such as the brain and heart. A recent comprehensive analysis emphasizes … Read more

Summary: Quitting smoking often reflects a biological tug-of-war in the brain: an overactive reward system versus a weakened self-control network. A recent clinical trial shows that a noninvasive brain stimulation method, repetitive transcranial magnetic stimulation (rTMS), can tip that balance toward control and substantially reduce cigarette use. By stimulating the brain’s capacity for restraint, researchers … Read more

Summary: Researchers have identified a brain mechanism that acts like a dial to shift the body from rest into action, controlling the intensity of involuntary arousal. This discovery points to new possibilities for treating disorders such as Parkinson’s disease and alcohol use disorder. A new study highlights the anterior cingulate cortex (ACC) as a cortical … Read more

Summary: Modern AI systems like ChatGPT and Gemini are extraordinarily capable, but their internal workings remain largely opaque. To probe these hidden mechanisms, researchers built a simplified mathematical “toy model” that can be analyzed with tools from statistical physics, revealing how high-dimensional data fluctuations stabilize learning and help prevent overfitting. Using methods from statistical physics, … Read more

Summary: Quitting smoking is often a biological struggle between an overactive reward system and a weakened self-control center in the brain. A new clinical trial shows that a noninvasive brain stimulation method, repetitive transcranial magnetic stimulation (rTMS), can rebalance these circuits and reduce cigarette use. By stimulating the brain’s control center, researchers achieved an average … Read more

Summary: Scientists have identified a brain pathway that protects dopamine-producing neurons and could slow progression of Parkinson’s disease by keeping these cells alive longer. The research shows that increasing the presence of nicotine-responsive receptors on neurons—without administering nicotine—preserves neural health and reduces degeneration. Notably, this protective effect was observed only in females, revealing a significant … Read more

Summary: Modern AI systems such as ChatGPT and Gemini are extraordinarily capable but remain largely “black boxes.” A team of physicists at Harvard has developed a simplified mathematical “toy model” that sheds light on why large neural networks generalize well despite their size. Using tools from statistical physics, they show that high-dimensional data fluctuations—once dismissed … Read more

Summary: With AI energy demands expected to rise sharply by 2030, researchers at the University of Missouri are developing hardware that mirrors the brain’s remarkable energy efficiency. Their work on neuromorphic computing centers on organic synaptic transistors—devices that combine memory and processing in one location, reducing the costly data movement common in conventional chips. Using … Read more