Medical Xpress news

Medical Xpress / How coffee affects a sleeping brain

Caffeine is not only found in coffee, but also in tea, chocolate, energy drinks and many soft drinks, making it one of the most widely consumed psychoactive substances in the world.

May 28, 2025 in Neuroscience
Medical Xpress / A common sleep aid blocks neurodegeneration in mice

A common sleep aid restores healthier sleep patterns and protects mice from the brain damage seen in neurodegenerative disorders, such as Alzheimer's disease, according to new research from Washington University School of ...

May 28, 2025 in Medications
Medical Xpress / Q&A: How cryptic mitochondrial DNA mutations reveal a hidden layer of the aging process

New research published in Nature Communications into hidden mutations in mitochondrial DNA has uncovered how high mutational levels coincide with later life and link to aging markers.

May 28, 2025 in Genetics
Medical Xpress / Mother's warmth in childhood can influence teen health by shaping perceptions of social safety

Parental warmth and affection in early childhood can have life-long physical and mental health benefits for children, and new UCLA Health research points to an important underlying process: children's sense of social safety.

May 28, 2025 in Psychology & Psychiatry
Medical Xpress / Harmful metals in ultrasonic cigarettes may pose significant health risks

A study by scientists at the University of California, Riverside shows that ultrasonic cigarettes, or u-cigarettes, marketed as a less harmful alternative to traditional e-cigarettes, may pose significant health risks due ...

May 28, 2025 in Health
Medical Xpress / Combination of rapamycin and trametinib extends mouse lifespan by about 30%, study finds

Researchers at the Max Planck Institute for Biology of Aging have discovered that the combination of the two cancer drugs, rapamycin and trametinib, significantly extends the lifespan of mice. The work has been published ...

May 28, 2025 in Medications
Medical Xpress / Alcohol abuse drug may halt trauma-induced cell death, especially in females

Runaway cell death and inflammation triggered by severe trauma may be interrupted by a drug used to prevent alcohol abuse—and it may be particularly effective in females, according to research led by University of Pittsburgh ...

May 28, 2025 in Medications
Medical Xpress / Zebrafish model sheds light on how Zika virus disrupts early brain development

Zika virus (ZIKV) infection is a major public health concern, particularly due to the severe brain development defects it can cause in fetuses when pregnant women are infected. One of the most serious outcomes is microcephaly—a ...

Medical Xpress / How intestinal bacteria influence aging of blood vessels

The aging of the innermost cell layer of blood vessels leads to cardiovascular diseases. Researchers at UZH have now shown for the first time that intestinal bacteria and their metabolites contribute directly to vascular ...

May 28, 2025 in Gerontology & Geriatrics
Medical Xpress / Vesicle cycle model reveals inner workings of brain synapse

How do we think, feel, remember, or move? These processes involve synaptic transmission, in which chemical signals are transmitted between nerve cells using molecular containers called vesicles. Now, researchers have successfully ...

May 28, 2025 in Medical research
Medical Xpress / Engineered herpes virus could boost T cell cancer treatment

Recent research points to the potential utility of a familiar sounding foe–herpes virus–in the fight against cancer.

May 28, 2025 in Oncology & Cancer
Medical Xpress / Neural circuit mechanism may explain why people have different fear levels

In a study published in Neuron, a research team led by Prof. Wang Liping from the Shenzhen Institutes of Advanced Technology (SIAT) of the Chinese Academy of Sciences revealed the neural circuit underlying individual differences ...

May 28, 2025 in Psychology & Psychiatry