Medical Xpress news

Medical Xpress / Exercise-induced vesicles boost neuron growth when transplanted into sedentary mice

Researchers at the University of Illinois Urbana-Champaign report that extracellular vesicles released into the bloodstream during aerobic exercise can, on their own, drive a robust increase in adult hippocampal neurogenesis ...

22 hours ago in Neuroscience
Medical Xpress / Software optimizes brain simulations, enabling them to complete complex cognitive tasks

A new software enables brain simulations which both imitate the processes in the brain in detail and can solve challenging cognitive tasks. The program was developed by a research team at the Cluster of Excellence "Machine ...

20 hours ago in Neuroscience
Medical Xpress / Severe nausea during pregnancy and depression: Study reveals bidirectional association

A recent study conducted at the University of Turku in Finland showed that hyperemesis gravidarum, a severe form of nausea that occurs during pregnancy, is linked to depression. Women who experienced severe nausea were more ...

17 hours ago in Psychology & Psychiatry
Medical Xpress / Gut bacterium could be key to tackling obesity crisis

The internet, libraries and bookshops are full of plans and advice on how to lose weight, from fad diets to intense exercise routines. But there could be another route to keeping the pounds away, and that's with a gut bacterium ...

Nov 14, 2025 in Overweight & Obesity
Medical Xpress / Neural 'barcodes': Intra-regional brain dynamics linked to person-specific characteristics

People can think, behave and function very differently. These observed differences are known to be the result of complex interactions between genetics, neurobiological processes and life experiences.

Nov 14, 2025 in Psychology & Psychiatry
Medical Xpress / Unusual days signal rising migraine risk

Harvard Medical School researchers report that higher day-to-day "trigger surprisal" scores were associated with migraine attacks over the next 12 and 24 hours. In this cohort, higher surprisal scores aligned with greater ...

Nov 14, 2025 in Psychology & Psychiatry
Medical Xpress / Changes in a single gene can cause mental illness, study reveals

Until now, researchers assumed that schizophrenia, anxiety disorders or depression arise from an interplay of many different factors, including genetic ones.

Nov 14, 2025 in Genetics
Medical Xpress / Big sex differences found in how diet and insulin rewire muscle for better blood sugar

New research found that restricting calories dramatically rewires proteins in rat skeletal muscle, causing molecular changes that boost insulin sensitivity—crucial for blood sugar control in older adults, say scientists ...

Nov 14, 2025 in Diabetes
Medical Xpress / Inflammasome found to drive male-specific bone loss in gum disease

A study out of the University of North Carolina at Chapel Hill has unveiled new insights into the inflammatory processes behind periodontitis, a common and debilitating gum disease. Research conducted by UNC Adams School ...

Nov 14, 2025 in Dentistry
Medical Xpress / Hypertension affects the brain much earlier than expected, study suggests

Hypertension impairs blood vessels, neurons and white matter in the brain well before the condition causes a measurable rise in blood pressure, according to a new preclinical study from Weill Cornell Medicine investigators. ...

Nov 14, 2025 in Neuroscience
Medical Xpress / Computational deep dive reveals hidden cancer drug targets and repurposing opportunities

One person's side effect could be another person's treatment if we expand our perspective on small molecule drug targets, according to a new study published November 5, 2025, in npj Precision Oncology.

Nov 14, 2025 in Oncology & Cancer
Medical Xpress / How weakness in cell structure affects the host–microbiome relationship

Cells have an internal skeleton that maintains their structure and also drives their movement. Known as the cytoskeleton, this scaffold is composed of a network of dynamic filaments made of a protein called actin.

Nov 14, 2025 in Immunology