THE MEDICAL NEWS

Pregnant individuals with inflammatory bowel disease (IBD) have higher levels of pro-inflammatory immune molecules, known as cytokines, in their vaginal mucosa than their healthy counterparts, according to a new study published January 14, 2026 in the open-access journal PLOS One by Ana Maldonado-Contreras of University of Massachusetts Chan Medical School, U.S., and colleagues.

Using participant skin cells reprogrammed into neurons, Weill Cornell Medicine researchers have identified genetic signatures associated with HIV infection that may contribute to the cognitive impairment that often occurs in people living with HIV, even when the virus is controlled.

Autoimmune diseases such as multiple sclerosis arise when the immune system turns against the body itself.

Researchers have identified bradycardia-an abnormally low heart rate–as a symptom of xylazine-opioid overdose.

Genetic disorders occur due to alterations in the primary genetic material, deoxyribonucleic acid (DNA), of an organism. Transthyretin amyloidosis (ATTR) is a progressive disorder involving amyloid deposits of misfolded transthyretin (TTR) proteins.

Until now, it has been difficult to maintain retinal ganglion cells deep inside organoids over extended periods. The supply of nutrients and oxygen in the densely packed tissues is limited, leading to cell death.

Dealing with an infection isn't as straightforward as simply killing the pathogen. The body also needs to carefully steer and monitor its immune response to prevent collateral damage.