Medical Xpress news
Medical Xpress / A single dose of psilocybin is more effective than nicotine patches for quitting smoking, study suggests
A new study, published in JAMA Network Open, reports the outcome of a clinical trial out of Johns Hopkins University assessing the effectiveness of psilocybin as a treatment for smokers attempting to quit. The trial compared ...
Medical Xpress / New strategy intercepts pancreatic cancer by eliminating microscopic lesions before they become cancer
A new preclinical study in mice shows that precancerous cells in the pancreas can be eliminated before they have the chance to become tumors. Using an experimental therapy to target microscopic precancerous lesions in the ...
Medical Xpress / Calcium signaling channels regulate neuroinflammation and motivation, research reveals
Northwestern Medicine scientists have discovered how calcium signaling channels in microglia—the primary immune cells of the brain—regulate neuroinflammation and promote the development of behaviors associated with affective ...
Medical Xpress / Tuning T cells' cancer-killing power via an engineered hydrogel platform
Lymph nodes, considered the command centers of our immune system, often get swollen and stiff when fighting infection. Now, a UC Berkeley-led team of researchers has discovered that this mechanical change may help instruct ...
Medical Xpress / First-of-its-kind analysis reveals the structural variant landscape driving pediatric cancer development
The first and largest dataset of genomic structure variations specific to childhood cancers was published today by scientists from St. Jude Children's Research Hospital and the National Cancer Institute. The researchers assembled ...
Medical Xpress / Scientists find a new therapeutic target present on up to half of all tumors
For five decades, scientists have known about a notorious cancer-causing enzyme called SRC. But they always assumed it only appeared on the inside of cells, where it sent signals that fueled tumor growth and stayed hidden ...
Medical Xpress / Overlooked brainstem pathway that controls human hands offers stroke therapy targets
Researchers have identified a network of connections linking the brainstem and spinal cord that helps control hand and arm movements, revealing an unexpected layer of the nervous system enabling people to grasp, hold, and ...
Medical Xpress / Watching a lifetime in motion reveals the architecture of aging
By midlife, an animal's everyday behaviors can signal how long it is likely to live. That is the striking conclusion of a new study in which researchers put scores of short-lived fish under continuous, lifelong surveillance ...
Medical Xpress / Immune cells in the brain may tune fertility hormones, animal study suggests
The kick-off signal for puberty begins in the brain. Specifically, in the hypothalamus, where specific neurons release a hormone that activates the hypophysis, at the base of the skull, which then releases other hormones ...
Medical Xpress / In a hyperconnected world, shared expectations can shape how negative experiences feel
Imagine waiting in line for a shot when someone who just got one tells you it was really painful. Could hearing that make the shot hurt more? According to a new Dartmouth study, what others say about an experience can shape ...
Medical Xpress / Power outages linked to more emergency hospital visits for older adults
Adults over age 65 experience greater numbers of emergency hospitalizations for cardiovascular and respiratory diseases during and after power outages, reports a new study by Heather McBrien of Columbia Mailman School of ...
Medical Xpress / AI-driven tool significantly personalizes antidepressant treatment, international trial finds
An AI-driven tool that tailors antidepressant treatment to individual patients was shown to improve outcomes for people with depression, compared to standard treatment, in a major international trial. It is the first time ...