Medical Xpress news
Medical Xpress / How early-life stress leaves a 'scar' inside brain cells
Experiencing severe stress during childhood can make a person more vulnerable to anxiety, depression and other mood disorders when faced with hardships as an adult. Researchers at Washington University School of Medicine ...
Medical Xpress / Household hums below hearing range damage mouse kidneys in five-day experiment
Previous studies have hinted that people surrounded by more environmental noise—low, deep rumblings from air-conditioning units, elevator motors, distant traffic and ventilation ducts—tend to have worse kidney function. But ...
Medical Xpress / Everyday packaging plastic may compound fatty liver risk from burgers and sodas
Microplastics have become nearly impossible to avoid. They have been detected in oceans, drinking water and even the human body, but scientists are still uncovering how they affect human health. Now, researchers at the Texas ...
Medical Xpress / Barbie and Ken get a reality check after 30 years
She's the blonde bombshell and he's her square-jawed sidekick. But nearly 70 years after the impossibly perfect Barbie and Ken made their debut, a new study from Adelaide University and UNSW Sydney shows the iconic pair are ...
Medical Xpress / Parkinson's-linked α-synuclein blocks protein transport in neurons, disrupting cells' waste recycling
Parkinson's disease affects more than 10 million people worldwide. The disease is characterized by the buildup of abnormal clumps of the protein alpha-synuclein inside brain cells, but scientists have long struggled to understand ...
Medical Xpress / Radiopharmaceutical may benefit patients with metastatic prostate cancer sooner
Earlier use of a targeted radionuclide therapy delays metastatic prostate cancer progression when administered as part of a trio of drugs, according to a Phase III clinical trial led by Weill Cornell Medicine, NewYork-Presbyterian, ...
Medical Xpress / Brain activity reveals two stages of visual processing before conscious perception
Seeing feels immediate; we open our eyes and the world seems to appear as a continuous stream. But some visual illusions show that events occurring later can change how we perceive what happened earlier, suggesting that the ...
Medical Xpress / Deep learning refines how bionic eyes communicate with the brain
Researchers from three institutions, including UC Santa Barbara, have demonstrated that artificial intelligence has the potential to make future visual prostheses, like a bionic eye, more precise, predictable and responsive ...
Medical Xpress / Rising temperatures linked to higher risk of homicide and suicide in Mexico and Brazil
As temperatures on Earth continue to rise, some researchers have been trying to understand how climate change influences people's physical and mental health. Some past studies have found an association between warmer weather ...
Medical Xpress / Ketamine triggers morning cortisol surge tied to fewer suicidal thoughts—but the link remains uncertain
In 1970, ketamine was approved as an anesthetic. It works by blocking receptors in the brain. Suicidal tendencies are among the dangers that accompany severe depression. Doctors have found that a low dose of ketamine, much ...
Medical Xpress / Wildfires now the dominant contributor to unhealthy levels of air pollution for pregnant women in the US
Wildfires are well-known health risks. Now, in a new Frontiers in Environmental Health study, researchers in the U.S. have—for the first time—evaluated how prenatal PM2.5 exposure has changed over space and time on a national ...
Medical Xpress / D-serine accelerates gastric tumor growth by suppressing killer T cells
One of the crucial steps in cancer proliferation is evading killer immune cells. Cancer cells use a variety of signaling molecules to evade the immune system. Immune checkpoint inhibitor (ICI) therapy interferes with some ...
