Study Links Schizophrenia to Visual Contrast Sensitivity Deficits

Summary: People with schizophrenia experience impaired contrast perception, affecting their ability to differentiate light intensity and recognize shapes and textures. This deficit may stem from disruptions in glutamate neurotransmission, a…

Study shows inherited gene elevates prostate cancer risk in affected families

DNA, which has a double-helix structure, can have many genetic mutations and variations. Credit: NIH A study of men with a family history of prostate cancer has discovered an inherited…

Nutrition advice is rife with misinformation − a medical education specialist explains how to tell valid health information from pseudoscience

The COVID-19 pandemic illuminated a vast landscape of misinformation about many topics, science and health chief among them. Since then, information overload continues unabated, and many people are rightfully confused…

Advanced ultrasound cannot discern who would benefit from beta-blocker treatment after myocardial infarction

Credit: European Heart Journal – Cardiovascular Imaging (2025). DOI: 10.1093/ehjci/jeaf015 A new study by researchers at Karolinska Institutet and Södersjukhuset shows that advanced ultrasound imaging analyses cannot identify patients who…

Research shows young adults are more active after starting work, but sleep less—unless working from home

Credit: Unsplash/CC0 Public Domain When young adults start working, the amount of daily physical activity they do increases sharply, only to fall away again over the next few years, while…

Opioid Dysregulation in the Brain Tied to Eating Disorders

Summary: Elevated opioid neurotransmission in the brain may underlie appetite loss and emotional symptoms in anorexia nervosa. Compared to healthy controls, patients with anorexia had increased opioidergic tone, which regulates…

Dopamine Clock May Drive Bipolar Mood Swings

Summary: New research suggests that mood swings in bipolar disorder are regulated by two clocks: the body’s 24-hour circadian rhythm and a dopamine-based clock that influences alertness. When these clocks…

Military personnel and veterans uncover Iron Age treasures

Archaeologists from the Defence Infrastructure Organisation (DIO), working in collaboration with veterans and military personnel from Operation Nightingale, have uncovered a collection of Iron Age objects declared as national treasure…

Trump pauses disbursement of global HIV treatment funds

The Trump administration has paused funding for a crucial HIV treatment program in Africa and developing countries for 90 days, according to a memo obtained by The New York Times.…

Why government can’t make America ‘healthier’ by micromanaging groceries purchased with SNAP benefits

President Donald Trump’s pick for director of the Health and Human Services Department, Robert F. Kennedy Jr., has announced a bold plan. He wants to “Make America Healthy Again.” Kennedy’s…