Medical Xpress news
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 ...
Medical Xpress / Scientists identify metabolic target to overcome chemotherapy resistance in ovarian cancer
Many cancers can be treated by administering DNA-damaging agents, such as platinum-based chemotherapy, because the resulting DNA damage causes the cancer cells to die. A subset of cancers, however, including ovarian cancers, ...
Medical Xpress / Why chronic fatigue may start on plate: Blood marker points to vitamin gaps
With less time and more work, chronic fatigue has become a moniker of modern society. However, this not only reduces the quality of life but also constitutes a social issue that affects work efficiency and leads to accidents. ...
Medical Xpress / Brain aging reveals rising transposon RNAs, with distinct shifts in Huntington's and Parkinson's
Transposable elements (TEs), also called transposons, are DNA sequences capable of moving or replicating from one location to another within a genome. While TEs are the most significant fraction of the human genome (approximately ...
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. ...
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 ...
Medical Xpress / Routine heart test can track how kids grow and mature, new study finds
A new study from Wake Forest University School of Medicine suggests a routine heart test—an electrocardiogram (ECG)—may offer researchers a new way to measure biological development in children and adolescents.
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.
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 ...
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 ...
Medical Xpress / Oral inflammation may reach ovaries, speeding fertility decline, mouse study suggests
A new study led by Prof. Michael Klutstein at the Hebrew University of Jerusalem and Prof. Asaf Wilensky at the Hebrew University-Hadassah Medical Center and spearheaded by the students Dr. Paz Kles and Stephen Ameho has ...
Medical Xpress / Study reveals how people use AI for mental health support—and their concerns about it
As more people turn to artificial intelligence chatbots for emotional and mental health support, a new study from Drexel University posted to the arXiv preprint server suggests that most users see these tools as supplements ...
