Studies suggest AI can weaken learning when it replaces effort, but tools that guide rather than answer may help people keep their skills.

Dietary arginine reduces tumor formation and viral load in mice by boosting key immune proteins.

Humans could learn from chimpanzees and bonobos, who turn to group members for physical comfort during tense moments.

The FDA will allow bemotrizinol in sunscreen. The chemical is long-lasting and defends against solar radiation that ages skin.

In a clinical trial, an experimental antibody reduced lean-mass loss in people on a GLP-1 drug. Whether that improves health is unclear.

Daraxonrasib, which nearly doubled patients' survival time, fights the disease in a new way. It bear-hugs a cancer protein that drives cell growth.

From special pens to earwax evaluations, a plethora of emerging diagnostics could one day be a major boon for people with the debilitating disease.