The epithelial cells that line the intestines have a newly discovered mechanism for protecting us against microbes: they fire anti-bacterial "bullets" into the gut.

An experimental melanoma drug may be beneficial for patients not eligible for targeted therapies.

In addition to limited health care resources, biological factors may play a role in the poor survival of children with a common kidney cancer in developing nations.

Targeting diabetes that develops after a stem cell transplant may help moderate graft-vs.-host disease, an adverse effect of the procedure, and improve outcomes.

Berberine, an herbal remedy for diarrhea and intestinal parasites, may be an effective treatment for gastrointestinal inflammatory diseases.

Cellular pathways altered by chronic exposure to cigarette smoke may reveal new biomarkers to assess smoking-induced lung cancer risk.

Studies offer new insights into how obesity impairs the function of HDL, the “good” cholesterol.