As the valves in a heart stretch with each beat, their cells take in life-giving oxygen. But if the supply is cut off, aortic and mitral valves use different strategies to compensate, according to Rice University scientists.
A high dietary intake of cured and processed meats, such as ham and salami, is linked to worsening asthma symptoms, reveals research published online in the journal Thorax.
Very young children can choke to death on whole grapes, warn doctors writing in the Archives of Disease in Childhood.
A new way to fight multidrug-resistant bacteria by blinding them rather than killing them proved highly effective in a model of burn injuries, UT Southwestern Medical Center research shows.
Quintuplets have been born at a Phoenix hospital for the first time in its 121-year history.
"Why does a 30-year-old hit their foot against the curb in the parking lot and take a half step and recover, whereas a 71-year-old falls and an 82-year-old falls awkwardly and fractures their hip?" asks James Richardson, ...
Scientists at Washington University School of Medicine in St. Louis have detailed the structure of a molecule that has been implicated in Alzheimer's disease. Knowing the shape of the molecule—and how that shape may be ...
UT Southwestern Medical Center researchers have invented a transistor-like threshold sensor that can illuminate cancer tissue, helping surgeons more accurately distinguish cancerous from normal tissue.
Scientists have used systems biology tools to map out molecular pathways and signaling circuits that come into play when the immune system acts against infections and cancer. Important immune cells, called CD8+ T cells, play ...
A new study of U.S. adolescents provides some of the best evidence to date of how violence spreads like a contagious disease.