Elvis Swift

Inflammation from a simple infection can awaken a silent genetic defect in rats that carry it, resulting in a deadly form of pulmonary hypertension, a study shows.

Brain scans of a group of adolescents in California’s Salinas Valley show a direct link between pesticides they were exposed to in utero and certain brain functions.

Stimulating cells that jump in to protect healthy tissues in MS patients when their immune systems attack could lead to new drug therapies, researcher says.