Medical Xpress news
Medical Xpress / As syphilis cases rise, study links infection with higher risk of stroke, heart attack and other serious problems
Syphilis has been rising sharply in the United States, with especially high rates in Southern states. Now, a new study from Tulane University researchers suggests the long-term infection may carry another risk that is often ...
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 / 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 / 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 / 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 / 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 ...
Medical Xpress / Largest study of pregnancy sickness uncovers six new genetic links
The USC research team that recently identified the hormone-encoding gene GDF15 as a key driver of pregnancy sickness has identified nine additional genes linked to its most severe form, hyperemesis gravidarum (HG). Six of ...
Medical Xpress / People who consume ultra-processed foods have worse muscle health, study suggests
Researchers found that a diet high in ultra-processed foods is associated with higher amounts of fat stored inside thigh muscles, regardless of calorie or fat intake, physical activity or sociodemographic factors in a population ...
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 / Why fasting can lead to a longer lifespan
Restricting calories has long been recognized as a powerful way to live longer, with periods of intermittent fasting proving more effective than a steady diet. However, the mechanism behind this phenomenon has been unclear. ...
Medical Xpress / New drug doubles 1-year survival in pancreatic cancer trial
Pancreatic cancer is one of the deadliest cancers and among the hardest to treat, with most patients surviving less than a year after diagnosis. But a new drug developed at Northwestern University may soon help patients live ...
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.