Medical Xpress news

Medical Xpress / Petting your dog may help your body handle the next stressful situation better

Coming home to a four-legged furry friend wagging their tail can ease the stress accumulated throughout the day. Since time immemorial, humans have found comfort in petting their dogs. A large body of research acknowledges ...

Oct 22, 2026
Medical Xpress / Study identifies key drivers of microbiome-linked cancer immunotherapy side effect

Scientists at the University of Pittsburgh uncovered the unstable immune cells that can cause up to 40% of immunotherapy patients to experience serious side effects and showed that diet and microbiome composition influence ...

Oct 22, 2026
Medical Xpress / How L-carnitine, found in red meat and exercise supplements, may amplify inflammation

In a study published Oct. 19 in Cell, Yale researchers identified a previously unknown mechanism by which a nutrient abundant in red meat and commonly used in exercise supplements may amplify inflammation.

Oct 22, 2026
Medical Xpress / Common multiple sclerosis treatment linked to bowel disease risk

People with multiple sclerosis (MS) who are treated with rituximab have an increased risk of developing inflammatory bowel disease, particularly Crohn's disease, although the absolute risk remains low. This is according to ...

Oct 22, 2026
Medical Xpress / Study reveals how melanoma outmaneuvers both drugs and immune defenses

Melanoma is one of the most difficult cancers to treat due to its resistance to targeted drug therapies. But a new study from the University of Kentucky Markey Cancer Center shows that the cancer is playing offense as well ...

Oct 22, 2026
Medical Xpress / Lab study shows needle-free mRNA vaccine protects against COVID and flu

A needle-free vaccination method protected mice against the viruses that cause COVID-19 and flu, offering a possible new way to deliver mRNA vaccines while limiting unwanted inflammation.

Oct 22, 2026
Medical Xpress / International study helps support FDA approval of HIV drug for newborns

An international study conducted through the International Maternal Pediatric Adolescent AIDS Clinical Trials (IMPAACT) Network, including researchers at the University of California San Diego, helped inform the U.S. Food ...

Oct 22, 2026
Medical Xpress / A brain-computer interface may give unresponsive ICU patients a voice

Unresponsive ICU patients in a new Columbia study were able to raise and lower the frequency of a beeping tone with their minds, via noninvasive EEG electrodes that recorded and translated their brain waves.

Oct 22, 2026
Medical Xpress / 'Average' human genome described for first time, with implications for disease risk

A new study has characterized the "average" human genome, providing key information on normal human genetic variation and genetic disease risk. The researchers conclude that everyone—regardless of their current health status—could ...

Oct 22, 2026
Medical Xpress / Your brain maps out numbers, including integers and fractions

From learning to count to solving complex calculations, math requires an inherent organization of information. A team of researchers led by Stanislas Dehaene, Ph.D., and Daniela Valério, Ph.D., at the INSERM-CEA Cognitive ...

Oct 22, 2026
Medical Xpress / New gene-editing approach shows promise in treating Huntington's disease in mice

Huntington's disease is caused by repetitive "stutters" in DNA—specifically repeated CAG sequences—that expand abnormally over time, leading to toxic protein accumulation that contributes to the progression of the disease. ...

Oct 22, 2026
Medical Xpress / Human neural stem cells found to be susceptible to SARS-CoV-2 variants

Human neural stem cells that help form the brain and spinal cord are highly susceptible to SARS-CoV-2, including omicron variants BA.1 and BA.2, according to new research from the University of California, Riverside. The ...

Oct 22, 2026