The biochemical mechanisms in the brain underlying suicidal behavior are beginning to come to light, and researchers hope they could one day lead to better treatment and prevention strategies.

An accumulation of T cells and astrocytes in postmortem brain tissue hints at possible autoimmune origins for many cases of autism.

Normal hair growth can lead to infection during cancer treatment.

Oligomannate, recently approved in China, is being met with some skepticism from researchers.

While neutrophil extracellular traps help guard the body from infection, they also can contribute to a range of diseases.

Animal studies and a few small clinical trials show it’s possible to get commensal microbes to protect against bone loss, rather than contribute to it.

The second phase of the Human Microbiome Project reports on microbial composition in prediabetes, inflammatory bowel disease, and pregnancy.

The results suggest the virus could severely alter brain development in infants infected after birth, but blocking a signaling protein early on might ease certain symptoms.

Macrophages play numerous roles within tumors, leaving cancer researchers with a choice: eliminate the cells or recruit them.