[ Credit: Unsplash/CC0 Public Domain Tadalafil is a prescription drug closely related to Viagra. It is used to treat erectile dysfunction (ED) and the urinary symptoms of an enlarged prostate. Both competitive and recreational athletes sometimes use it too, to treat pulmonary arterial hypertension (PAH), a condition that can limit …

[ Scheme for how dietary fructose inhibits HCC progression through F1P-mediated inhibition of MPI and protein N-glycosylation. Credit: Signal Transduction and Targeted Therapy (2026). DOI: 10.1038/s41392-026-02695-4 Fructose is an important nutrient that, despite having a chemical structure very similar to that of glucose, is metabolized very differently in the body. …

[ On a busy street in Karachi, Pakistan, a health care worker kneels down so she’s eye to eye with a toddler. She squeezes two drops of liquid onto the child’s tongue. Then she takes out a purple marker and colors the child’s pinkie fingernail so everyone can see that …

[ Implantable neural probe placed on a fingertip. Credit: The Korea Advanced Institute of Science and Technology (KAIST) A joint research team led by KAIST has used a small, implantable neural chip to wirelessly monitor real-time changes in a neurotransmitter involved in memory and learning after an Alzheimer’s drug has …

Megan Hamon says her life has turned around after struggling with excessive drinking and partying. BBC News

[ Credit: Towfiqu barbhuiya from Pexels Public health leaders should invest in long-term work with communities to develop trust and support more effective vaccination communications, according to a new report analyzing London’s Why We Get Vaccinated campaign. The campaign was evaluated by language experts at the universities of Nottingham and …

[ Credit: Emma O’Connor A humble fish can experience features of mental health conditions such as schizophrenia and autism, raising the possibility that some of our most complex social behaviors may be more deeply encoded in our DNA than previously thought. Researchers from Griffith University’s Institute for Biomedicine and Glycomics …

Some creators are claiming they can spot “ferritin face”. Doctors aren’t so sure. BBC News

[ Credit: Jsme MILA from Pexels An older patient mentions that climbing the stairs has become harder. They have stopped carrying the groceries in from the car. Last month, they had a fall in the kitchen. Much of this is sarcopenia, a substantial loss of muscle, strength and physical function …

BBC Wales correspondent Owain Clarke visited the Grange Hospital following concerns about its safety. BBC News

Available for over a year Climate change is having major health impacts around the world – which are only expected to increase as our planet gets warmer. These impacts range from heat stroke to the spread of tropical diseases, from hospitals losing power during extreme weather to the effect on …

[ Fluorescence image of the embryonic mouse thalamus showing how progenitor cells divide and give rise to new cells during the early stages of brain development. A team from the Institute for Neurosciences (IN), a joint center of the Spanish National Research Council (CSIC) and Miguel Hernández University of Elche …

[ Credit: Tara Winstead from Pexels An analysis of United States data reveals a broad shift away from overtreatment of low-risk prostate cancer. The analysis published in CANCER indicates a shift toward surveillance in response to concerns of overdiagnosis and overtreatment that have hindered screening in the recent past. During …

[ Credit: Unsplash/CC0 Public Domain Emergency department (ED) visits for use of substances, especially opioids, amphetamines and cannabis, by mothers with dependent children increased almost 5% a year, in contrast to an increase of almost 2% a year among females without children, according to a large study in Canadian Medical …

For doctors, symptoms and how someone feels are more useful than appearance. Blood tests matter not only to confirm iron deficiency, Provan and Sesay said, but to establish the cause and guide treatment. Both said treatment should also address the cause. Heavy periods, low dietary iron, gastrointestinal blood loss and …

[ A fan attends the performance by American singer Jon Batiste at the Rock in Rio music festival in Rio de Janeiro, Sept. 7, 2026. Credit: AP Photo/Bruna Prado, File Reminding yourself to smile often can not only help you form more friendships but also make you feel better. And …

[ Young adults often attribute troublesome physical symptoms to stress and put off making an appointment with a physician. Credit: Douglas Levere When Natasha Allard’s close friend Dave was diagnosed with stage 4 testicular cancer at age 26, the University at Buffalo postdoctoral associate started paying more attention to how …

[ UCP1-reporter expression reflects UCP1-protein expression in iBAT. Credit: Scientific Reports (2026). DOI: 10.1038/s41598-026-74773-0 Researchers at LSU’s Pennington Biomedical Research Center have developed and validated a new genetic animal model that gives scientists a more precise way to study brown and beige fat, specialized tissues that use energy to produce …

[ Rodent analysis found a large reduction in inflammation-promoting proteins when animals had induced inflammation. Credit: Pexels. The same substances that can alter perception and shift moods are now drawing scientific interest for their potential therapeutic abilities. Researchers across the globe are investigating whether psychedelics, such as psilocybin from magic …

[ Credit: Pixabay/CC0 Public Domain In many studies, it appears that women who have more children have a higher risk of heart disease and a shorter life span, but this effect is inconsistent across populations and no good explanation for it exists. Against this backdrop, new tools to assess biological …