Medical Xpress news

Medical Xpress / Newly found immune cells link strep throat to psoriasis

A common strep throat infection can trigger guttate psoriasis by altering the behavior of key immune cells, according to a new study from Karolinska Institutet published in eBioMedicine. The findings suggest how an infection ...

4 hours ago in Immunology
Medical Xpress / Why nighttime heat drives a surge in suicide-related calls to crisis lines in Louisiana

Extreme heat poses serious risks to physical health but can also trigger a mental health emergency for some people. While the link between heat and suicide is well-documented, the specific stressors that drive someone to ...

9 hours ago in Psychology & Psychiatry
Medical Xpress / Stunning new maps of myelin-making mouse brain cells advance understanding of nervous system disorders

Johns Hopkins scientists say they have used 3D imaging, special microscopes and artificial intelligence (AI) programs to construct new maps of mouse brains showing a precise location of more than 10 million cells called oligodendrocytes. ...

6 hours ago in Neuroscience
Medical Xpress / Why chronic pain lasts longer in women: Immune cells offer clues

Chronic pain lasts longer for women than men, and new research suggests differences in hormone-regulated immune cells, called monocytes, may help explain why.

7 hours ago in Neuroscience
Medical Xpress / Astrocytes, not just neurons, found to drive fear memory signals in the amygdala

Picture a star-shaped cell in the brain, stretching its spindly arms out to cradle the neurons around it. That's an astrocyte, and for a long time, scientists thought its job was caretaking the brain, gluing together neurons, ...

6 hours ago in Neuroscience
Medical Xpress / 'Kick it while it's down' approach to cancer treatment could improve cure rates

A new study provides hope that smarter timing of cancer treatments could improve cure rates. The study's Principal Investigator, Dr. Robert Noble, Senior Lecturer at the Department of Mathematics, City, St George's, University ...

7 hours ago in Oncology & Cancer
Medical Xpress / Toxic exposure creates disease risk over 20 generations, epigenetic inheritance study suggests

A single exposure to a toxic fungicide during pregnancy can increase the risk of disease for 20 subsequent generations—with inherited health problems worsening many generations after exposure. Those are the findings of ...

8 hours ago in Genetics
Medical Xpress / Down syndrome study sheds new light on early brain development

A research team led by scientists at Queen Mary University of London and University College London (UCL) has found new clues about how the brains of people with Down syndrome develop differently from a very early age. The ...

Medical Xpress / How targeting the STING pathway could change care for a common brain tumor

Northwestern Medicine scientists have discovered a potent immunotherapy approach for treating meningiomas, the most common type of primary brain tumor, according to a study published in Nature Communications.

8 hours ago in Oncology & Cancer
Medical Xpress / How the brain balances continuity and segmentation

Life doesn't arrive in neat chapters. It flows, one conversation bleeding into the next, one thought quietly reshaping the one that follows. Yet our brains do something remarkable: they preserve a sense of continuity while ...

7 hours ago in Psychology & Psychiatry
Medical Xpress / Adolescent cannabis use linked to doubling risk of psychotic and bipolar disorders

Adolescents who use cannabis could face a significantly higher risk of developing serious psychiatric disorders by young adulthood, according to a large study published in JAMA Health Forum. The longitudinal study followed ...

10 hours ago in Psychology & Psychiatry
Medical Xpress / Invisible harms: Drug-related deaths spike after hurricanes and tropical storms

Tropical cyclones, including hurricanes and tropical storms, are linked to increased rates of drug-related deaths up to three months after the storm passes—particularly in higher-income, white communities and among younger ...

10 hours ago in Health