Medical Xpress news
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 ...
Medical Xpress / Do lying children grow up to be criminals? Mostly not, but persistent patterns may signal later risk
Most childhood lying does not lead to serious problems in adulthood, and only certain kinds of lying behavior are associated with later psychological or legal issues, a new study has found.
Medical Xpress / 'Toxic' molecule may play vital role in gene regulation and development
A molecule once thought to be a harmful metabolic byproduct may play a crucial role in early development and gene regulation, according to a new study published in Nature that challenges decades of biochemical assumptions. ...
Medical Xpress / Cannabis use does not lower testosterone, study concludes
The effects of cannabis on the hormonal system and male fertility remain controversial within the scientific community. A study conducted by the University of Geneva (UNIGE), in collaboration with the Swiss Center for Applied ...
Medical Xpress / Immune 'energy signature' linked to tuberculosis may explain why some individuals control infection
Researchers at Trinity College Dublin have identified key differences in how immune cells generate and use energy, a process known as cellular metabolism, in people with latent versus active tuberculosis (TB). The findings ...
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 ...
Medical Xpress / AI-powered atlas reveals new insights into tertiary lymphoid structures as prognostic and response biomarkers in cancer
In a study published in Science, researchers from The University of Texas MD Anderson Cancer Center have developed a spatial atlas of specialized immune structures, called tertiary lymphoid structures (TLSs), across multiple ...
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 / Ocrelizumab cuts disability progression in primary progressive MS trial
A major international Phase III clinical trial, led by Queen Mary University of London, has found that ocrelizumab—a medication already prescribed to some patients with MS—significantly slows disability progression in people ...
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 / 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 / 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 ...