SATURDAY, March 31 (HealthDay News) -- Many people with peanut or tree nut allergies, and parents of children with such allergies, can't identify potentially dangerous types of nuts just by looking at them, a new study finds.

SATURDAY, March 31 (HealthDay News) -- A noninvasive scan might someday help doctors track the progress of prostate cancer and help guide treatment, researchers report.

SATURDAY, March 31 (HealthDay News) -- A diabetes medication used by millions is now showing promise against a variety of different cancers.

SATURDAY, March 31 (HealthDay News) -- Research on a mutated, more contagious form of the bird flu virus can be published in full, U.S. government biosecurity advisers said Friday, despite initial concerns that bioterrorists could use the information to start a pandemic.