Most of the more than 200 species of viruses known to reside in humans remain poorly understood, and new ones are being discovered every few months.

Currently, methods to detect early, obesity-related accumulation of fat in the liver other than a liver biopsy — the surgical removal of liver tissue for microscopic examination — are limited. But there is hope.

VUMC researchers have developed a genetic method that clusters distantly related people to find rare variants that were present in a common ancestor.

The new training program’s participants will focus their research efforts on substance use with an emphasis on vulnerable populations, such as people living with HIV.

Eiman Jahangir joins a select group of about 700 people who have gone to space. Listen to him talk about the experience, why he wants this experience to be more widely available, and what he’s thinking about being back in clinic on Sept. 3.

Patients with a form of heart failure called HFpEF may breathe normally at rest but quickly become breathless with physical activity. The study will test an atrial shunt to relieve high pressure in the heart.

The research shows that by getting enough sleep and reducing variability around sleep onset and wake times, patients can reduce the incidence of chronic disease.