Medical Xpress news

Medical Xpress / Unprecedented view inside live stem cells reveals aging process and loss of regenerative capacity

Scientists have developed a powerful new technique that allows them to observe how individual cells manufacture proteins during aging, offering an unprecedented glimpse into the hidden molecular activity of stem cells in ...

7 hours ago
Medical Xpress / Rise of dangerous drug adulterant and public health response tracked in New York State

A dangerous sedative called medetomidine has been quietly spreading through New York's illicit drug supply. A new analysis shows how, over several years of careful tracking and coordination, public health agencies in New ...

2 hours ago
Medical Xpress / Sleep disorders linked to socioeconomic disparities in Appalachia

Appalachia has a legacy of making the most with limited resources, but there's one thing that there's no way to stretch: sleep.

2 hours ago
Medical Xpress / Unexpected allies: Eosinophils may help predict cancer immunotherapy response and survival

Long regarded as cells involved primarily in allergic responses and antiparasitic defense, eosinophils are now drawing increasing attention in oncology. A review article led by Marie Gilon, an oncology resident physician ...

2 hours ago
Medical Xpress / Young adults are more perfectionistic than ever before, study finds

College students feel more pressure to be perfect than they did a generation ago, finds research published in Psychological Bulletin. That increase in perfectionism may be tied to social and economic factors such as rising ...

7 hours ago
Medical Xpress / Scientists validate a link between autoimmunity and long COVID

A Mount Sinai-led research team has demonstrated that autoimmunity, in which the body's immune system attacks its own tissues, is responsible for the often-debilitating and confounding symptoms of long COVID in a subset of ...

5 hours ago
Medical Xpress / Psychiatric 'gold standard' falters as repeat interviews yield different diagnoses

Diagnostic interviews are widely used by mental health professionals to identify conditions such as anxiety, bipolar disorder and depression in adults, but new research led by McMaster University shows that the long considered ...

5 hours ago
Medical Xpress / Depression may not only be a consequence, but also a cause of rheumatoid arthritis

According to researchers at Semmelweis University, not only inflammation, but also sleep disorders, depression, obesity, and smoking may sustain persistent rheumatic symptoms. In their publications in the journals Nature ...

5 hours ago
Medical Xpress / Gut microbe found to worsen sepsis by triggering hyperinflammatory immune responses

Why do some people recover easily from bacterial infections while others rapidly deteriorate into life-threatening sepsis? According to a new study published in Nature Communications, the answer may lie not only in the invading ...

6 hours ago
Medical Xpress / Gene activity clocks estimate lifespan across species, matching epigenetic tools

Molecular clocks that can provide accurate estimates of both molecular age and lifespan across multiple mammalian species and tissue types are presented in an article published in Nature this week. An analysis of more than ...

4 hours ago
Medical Xpress / At a live concert, your brain locks onto the music more tightly—especially when the tempo is fast

We have high fidelity vinyl and home audio systems that rival the quality of the sound systems at the local movie theater and we even have high-quality recordings that we can listen to on our preferred personal music device. ...

4 hours ago
Medical Xpress / Seven AI models vote out medical hallucinations in 10,000 chatbot tests

As chatbots powered by artificial intelligence become more ingrained in our everyday lives, people are increasingly using them to help diagnose their medical concerns. Should I be worried about this rash? What if this insect ...

4 hours ago