Medical Xpress news
Medical Xpress / Poll reveals millions of Americans consult AI before, after—and sometimes instead of—seeing a doctor
One in four U.S. adults—the equivalent of over 66 million Americans—report having used artificial intelligence tools or chatbots for physical or mental health care information or advice, according to new research released ...
Medical Xpress / Overlooked ribosomal DNA may help explain human size differences
Ribosomal RNA (rRNA), made from many copies of ribosomal DNA (rDNA), is the core component that powers ribosomes—protein-building machines in our body. It helps build proteins by linking amino acids together, and can also ...
Medical Xpress / CRISPR takes a bold leap toward silencing Down syndrome's extra chromosome
Scientists have taken an important step toward a gene therapy that could one day turn off the extra genetic material that causes Down syndrome (DS). Down syndrome is a genetic condition caused by an extra chromosome 21 (and ...
Medical Xpress / Modern lifestyles may be affecting how our bodies recycle estrogen
Our industrialized, modern lifestyles may be increasing how much estrogen (the female sex hormone) gets recycled in our bodies, according to a study published in the journal Proceedings of the National Academy of Sciences. ...
Medical Xpress / Popular AI chatbots are confidently dispensing medical misinformation, analysis shows
A substantial amount of medical information provided by five popular chatbots is inaccurate and incomplete, with half (50%) of the responses problematic: 30% were somewhat, and 20% were highly problematic. These are the results ...
Medical Xpress / Combining new drug with chemotherapy extends survival of platinum-resistant ovarian cancer patients in clinical trial
Platinum-based chemotherapy is a standard treatment for ovarian cancer, but its effectiveness can be limited in some cases. In some patients, the disease returns or progresses within six months of the last platinum dose, ...
Medical Xpress / Multiple myeloma cells adapt after immunotherapy, helping explain why many patients relapse
Multiple myeloma is the second most common blood cancer in adults. It starts in the white blood cells that are responsible for creating antibodies that help the body fight infections. Once the myeloma cells begin to multiply, ...
Medical Xpress / Newly discovered neural connections in fruit flies reveal that inhibitory neurons can also drive movement
Researchers at UC Santa Barbara are coming ever closer to uncovering the neural circuitry that translates stimulus to action, shining light on previously unseen neural connections and lesser-known functions of neurons that ...
Medical Xpress / Rett syndrome study highlights potential for personalized treatments
Though many studies approach the developmental disorder Rett syndrome as a single condition arising from general loss of function in the gene MECP2, a new study by neuroscientists at The Picower Institute for Learning and ...
Medical Xpress / Parental depression timing may shape adult children's mental health for decades
A new Yale study shows how the timing of depression in mothers and fathers affects mental health in their adult children. This includes influences on depression, anxiety, and psychotic disorders.
Medical Xpress / Unlocking secrets of human development: How early nerve cell choices shape the peripheral nervous system
Millions of neurons branch throughout our bodies, keeping them in close communication with our brains. This peripheral network begins to take shape long before birth, as the cells of a growing embryo move into position and ...
Medical Xpress / Blood test can predict Alzheimer's disease progression years before symptoms or brain scan changes
A study by investigators at Mass General Brigham has found that a blood test of plasma phosphorylated tau 217 (pTau217), an Alzheimer's disease biomarker, can predict the progression of amyloid PET scan changes and cognitive ...
