Medical Xpress news

While physicians and scientists have long known that Alzheimer's disease involves the buildup of toxic protein fragments in the brain, they have struggled to understand how these harmful fragments are produced. Now, in a ...

Clean air laws have led to a significant reduction in long-term exposure to fine particulate air pollution across much of the United States over the past two decades, yet tens of thousands of Americans still die each year ...

A team of leading clinical research scientists from the Departments of Psychiatry and Dermatology at the Icahn School of Medicine at Mount Sinai has found that the serum of patients with major depressive disorder shares immune ...

Doctors and scientists have long relied on microscopes to study human tissue and diagnose disease. But today's medical research produces far more information than the human eye alone can handle, including detailed maps of ...

Rice University scientists have developed the first complete, label-free molecular atlas of the Alzheimer's brain in an animal model. The findings help advance understanding of Alzheimer's onset and progression, a disease ...

Brain cells are constantly swallowing material from the fluid that surrounds them—signaling molecules, nutrients, even pieces of their own surfaces—in a process known as endocytosis that is essential for learning, memory ...

National Institutes of Health (NIH) researchers have developed a digital replica of crucial eye cells, providing a new tool for studying how the cells organize themselves when they are healthy and affected by diseases. The ...

Meningioma is the most common type of brain tumor. It does not develop in the brain tissue itself, but on the inside of the meninges, the membranes that surround the brain. In most cases, a meningioma is benign. However, ...

Asthma affects millions of people worldwide, and adult women experience the condition more frequently—and often more severely—than men. Symptoms can also fluctuate during puberty, pregnancy and menopause, yet the biological ...

Nurses can safely deliver many services traditionally performed by doctors, with little to no difference in deaths, safety events, or how patients felt about their health, according to a new review, appearing in the Cochrane ...

A global research collaboration of scientists from McMaster University (Canada), Flinders University (Australia) and Universitätsmedizin Greifswald (Germany) uncovered why a small number of people developed dangerous blood ...

Trauma patients urgently requiring a breathing tube are more likely to survive if the tube is inserted before arriving at hospital compared to insertion afterwards, suggests a modeling study led by researchers at University ...