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Phys.org / Study seeks to stave off mitochondrial dysfunction believed to cause aging

Dysfunction resulting from mitochondrial DNA mutations has been implicated in multiple human pathologies, including neurodegenerative disorders, metabolic syndromes, cancer and cardiovascular disease. The stress from mtDNA ...

30 minutes ago
Medical Xpress / Can positive experiences help break the cycle of abuse?

Our childhood experiences create ripple effects across our lives and with those whom we encounter. Adverse childhood experiences, or ACEs, have been linked to depression and dementia, and even to perpetuating abuse. The intergenerational ...

10 minutes ago
Medical Xpress / Study identifies post-extubation pneumonia as a distinct condition after surgery and determines key risk factors

A Hiroshima University study of more than 31,000 patients found that pneumonia occurred more often after breathing tubes were removed than during ventilation, with most cases developing within a 1–2 week window after surgery. ...

14 minutes ago
Phys.org / Testing quantum collapse theory with the XENONnT dark matter detector

Theories of quantum mechanics predict that some particles can exist in superpositions, which essentially means that they can be in more than one state at once. When a particle's state is measured, however, this superposition ...

2 hours ago
Phys.org / Sexual arousal can lead to tunnel vision, blinding people to rejection cues

Sexual arousal can lead to "tunnel vision" that makes it more difficult to recognize when someone is just not that into you, according to new research in Personality and Social Psychology Bulletin.

1 hour ago
Phys.org / Deforestation lessens Amazon rainfall—and climate change hastens that process, study finds

Climate change makes the southern Amazon's rain increasingly sensitive to deforestation, a new study finds. Clearing large areas of forest can trigger severe and lasting reductions in rainfall regardless of climate, but as ...

1 hour ago
Phys.org / Ice Age butcher's tools are a sign of ancient humans' creativity during hard times

In central China, scientists have spent over a decade excavating and studying an archaeological site where ancient humans butchered animals. Amidst bones, archaeologists found complex stone tools that would have required ...

3 hours ago
Medical Xpress / Chronic bowel disease involves multiple types of inflammation happening at once, study reveals

Chronic immune diseases are shaped by multiple inflammatory processes happening at the same time, each in different parts of the tissue. This finding from Karolinska Institutet, published in the journal Immunity, is based ...

1 hour ago
Medical Xpress / What is hantavirus? Symptoms, transmission and treatment explained

As an Atlantic cruise ship remains isolated off the South African coast due to a deadly hantavirus outbreak, the world watches with anticipation to learn more about this uncommon but dangerous infectious disease.

1 hour ago
Medical Xpress / Feeling regret? Your feelings may mellow as you age

Older adults report fewer recent regrets than younger adults, finds research published in the journal Emotion. In addition, although older and younger adults report a similar number of long-term regrets, older adults experience ...

1 hour ago
Phys.org / Chilean wasp named in honor of Sir David Attenborough's 100th birthday

Scientists from the Natural History Museum, London have described a new genus and species of parasitic wasp found within the Museum's collections, and named it as a birthday present for Sir David Attenborough.

3 hours ago
Phys.org / Brexit did not just shake Britain—it sent financial shockwaves across Europe, research indicates

Brexit sent waves of financial volatility through European markets, reshaping how risk traveled between countries and exposing how tightly connected the continent's financial systems had become, according to new research ...

1 hour ago