Violent Neighborhoods Raise Hunker-Down Stress Genes in Women

featured 72409

Summary: Chronic neighborhood stress alters gene activity in immune cells among low-income Black mothers living in areas with high violence and poverty. Source: University of Chicago New research shows that the prolonged stress of living in neighborhoods marked by high violence and concentrated poverty changes gene activity in immune cells of low-income, single Black mothers … Read more

Attention Lapses and Media Multitasking Linked to Memory Decline

featured 69049

Summary: New research links multimedia multitasking with memory lapses and reduced attention, revealing physiological markers that predict forgetting. Source: Stanford Researchers at Stanford have identified measurable signs in the brain and eyes that predict whether a person is likely to remember or forget. Their findings connect attention lapses, pupil size, and specific brain wave patterns … Read more

How Chronic Stress May Increase Alzheimer’s Risk

featured 75198

Summary: Chronic stress involving the hypothalamic–pituitary–adrenal (HPA) axis may contribute to the development of Alzheimer’s disease, according to researchers. Source: Wiley Chronic psychosocial stress—which operates through the hypothalamic–pituitary–adrenal axis (HPA axis)—may increase the risk of Alzheimer’s disease. A comprehensive review published in Biological Reviews examines how environmental exposures and inherited genetic differences shape HPA axis … Read more

Electronic Nose Detects Cantaloupe Ripeness

featured 6198

Have you ever picked up a cantaloupe at the store only to find it either overripe or not ripe enough? Researchers at the University of California, Davis have been working on a practical solution to that common problem. Their approach, described in a methods article to be published on March 30 in the Journal of … Read more

How the Brain Regulates Sexual Desire and Behavior

featured 46419

Summary: New research identifies kisspeptin, a brain hormone, as a central regulator of attraction and sexual behavior in female mice. Source: Saarland University Single Hormone Links Attraction, Sexual Behavior and Reproductive Timing A collaborative research team led by Professor Julie Bakker at Liège University (Belgium) and Professor Ulrich Boehm at Saarland University (Germany) has clarified … Read more

Colored Filters Boost Reading Speed in Children with Dyslexia

featured 51975

Summary: Researchers report that using a green filter can increase reading speed for children with dyslexia. Source: FAPESP. Green filters improve reading speed in children with dyslexia, study finds Reading is often one of the greatest challenges for children with dyslexia. A collaborative study by Brazilian and French researchers found that a green visual filter … Read more

Aging Revealed: How Our Bodies and Minds Change Over Time

featured 66612

Summary: A 35-year longitudinal study offers new insight into the life transitions people experience from adolescence into midlife. Source: University of Alberta Interest in generational differences has been rising: commentators label the Silent Generation as rigidly conventional, boomers as self-focused, Gen X as disengaged, and millennials as slow to reach adulthood. Yet many of those … Read more

Recurrent Stroke Risk in Childhood Cancer Survivors

featured 22984

Most people assume strokes only affect the elderly, but new evidence shows that survivors of childhood cancer face a markedly increased risk of having a stroke at a young age — and of having another one after the first. A study from the UC San Francisco Pediatric Brain Center reports that childhood cancer survivors who … Read more

Less Deep Sleep May Signal Early Alzheimer’s Risk

featured 53366

Summary: A new study finds that poor quality sleep in older adults, specifically reductions in slow-wave (deep) sleep, is associated with higher levels of the brain protein tau—an early marker of Alzheimer’s disease. The researchers suggest that changes in sleep quality later in life may signal declining brain health and could serve as an early … Read more

Machine Learning Model Aids Early Alzheimer’s Diagnosis

featured 42829

Summary: Researchers have developed a new algorithm that integrates Alzheimer’s indicators from MRI measurements and other biomarkers to predict patients at risk of the neurodegenerative disease before symptoms severely affect daily life. Source: Case Western Reserve. New machine learning software from Case Western Reserve University shows promise for earlier, more accurate diagnosis of Alzheimer’s disease, … Read more