Medical Xpress news

Medical Xpress / Nighttime phone use linked to higher levels of suicidal thoughts in high-risk adults

Patterns of smartphone use and their impact on mental health are being extensively studied due to the growing dependence of the device in people's lives.

14 hours ago in Psychology & Psychiatry
Medical Xpress / Redheads face impaired wound healing: MC1R dysregulation to blame, but a new treatment might help

Chronic wounds (CWs), like diabetic ulcers or pressure sores, are a major health care challenge, especially in the elderly. These wounds, marked by persistent inflammation, often lead to infection and poor patient outcomes. ...

16 hours ago in Genetics
Medical Xpress / Fluoridated water linked to better adolescent school achievement

Children exposed to recommended levels of fluoride in drinking water show modest cognitive advantages in secondary school, with no clear evidence of harm to cognitive functioning around age 60, according to researchers at ...

17 hours ago in Neuroscience
Medical Xpress / Cerebrospinal fluid motion in the brain captured in remarkable detail

Cerebrospinal fluid (CSF) is a clear and watery liquid that flows in and around the brain and spinal cord. Its functions include protecting parts of the nervous system, delivering nutrients and removing metabolic waste.

20 hours ago in Neuroscience
Medical Xpress / RNA editing study finds many ways for neurons to diversify

All starting from the same DNA, neurons ultimately take on individual characteristics in the brain and body. Differences in which genes they transcribe into RNA help determine which type of neuron they become, and from there, ...

10 hours ago in Genetics
Medical Xpress / Cancer cells have backup metabolic pathway to keep building DNA when blocked, study finds

Northwestern Medicine scientists have uncovered a surprising link between a tiny cellular engine and the way cancer cells build the DNA they need to proliferate, according to a new study published in Molecular Cell.

11 hours ago in Oncology & Cancer
Medical Xpress / Aging alters the protein landscape in the brain—diet can counteract it, say researchers

As we age, the composition and function of proteins in the brain change, affecting how well our brain performs later in life—influencing memory, responsiveness, and the risk of neurodegenerative diseases.

16 hours ago in Neuroscience
Medical Xpress / Underlying cause of Gulf War illness confirmed

Dysfunctional mitochondria, organelles that serve as cellular power generators, appear to cause the symptoms of Gulf War illness (GWI) among tens of thousands of veterans of the Persian Gulf War, UT Southwestern Medical Center ...

Medical Xpress / Depression tied to immune system imbalance, not just brain chemistry

Major depressive disorder (MDD) is characterized by a lowered mood and loss of interest, contributing not only to difficulties in academic and professional life but also as a major cause of suicide in South Korea. However, ...

16 hours ago in Psychology & Psychiatry
Medical Xpress / Engineered immune cells target and destroy glioblastoma in animal models

With a five-year survival rate of less than 5%, glioblastoma is one of the most aggressive types of brain cancer. Until now, all available treatments, including immunotherapy—which involves strengthening the immune system ...

13 hours ago in Oncology & Cancer
Medical Xpress / New on-switch for pain signaling pathway could lead to safer treatment and relief

Researchers at Tulane University, with a team of colleagues from eight other universities, have discovered a new nerve cell signaling mechanism that could transform our understanding of pain and lead to safer, more effective ...

13 hours ago in Medical research
Medical Xpress / Avian flu warning system alerts for cross-species transmission

How can we monitor the cross-species transmission of avian flu? The answer is FluWarning, a digital system that reports abnormal changes in flu viruses, developed by a research team from the Politecnico di Milano and the ...