Medical Xpress news

Psychedelics are psychoactive substances that trigger unusual mental states, also referred to as "trips," altering the perceptions, thoughts, and emotions of those taking them and typically inducing hallucinations. Over the ...

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 ...

A team led by investigators at Mass General Brigham and Dana-Farber Cancer Institute has shown that a single injection of an oncolytic virus—a genetically modified virus that selectively infects and destroys cancer cells—can ...

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 ...

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 ...

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 ...

Throughout the past decade, Northwestern University scientists have uncovered a striking principle of vaccine design: Performance depends not only on vaccine components but also on vaccine structure. After proving this concept ...

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 ...

Northwestern University scientists have developed the most advanced organoid model for human spinal cord injury to date. In a new study, the research team used lab-grown human spinal cord organoids—miniature organs derived ...

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 ...

Scientists in the Blavatnik Institute at Harvard Medical School and MIT have created a new family of tools that, for the first time, illuminates the missing half of how the immune system uses molecules called cytokines to ...