ROCKVILLE, Md., Feb. 29 (UPI) -- Tobacco use and secondhand smoke exposure during pregnancy may threaten the health of women and children, a study in Asia, Africa and Latin American found.

WASHINGTON, Oct. 5 (UPI) -- The National Children’s Study announced Thursday that 22 new study centers had received contracts for its survey of 100,000 U.S. children.

WASHINGTON, July 14 (UPI) -- A Washington-based health organization says medical care costs $26 billion a year for the increasing number of premature and low birth weight infants.

PITTSBURGH, July 12 (UPI) -- U.S. researchers say they believe they've identified why people suffering from autism think in pictures.

WASHINGTON, Sept. 19 (UPI) -- National Institutes of Health researchers in Washington have found the sequence by which malaria parasites disperse from the red blood cells it infects.

WASHINGTON, Sept. 15 (UPI) -- Compounds called defensins -- known to stop viruses from entering cells -- appear to do so by preventing the virus from merging to cells' outer membrane.

WASHINGTON, Aug. 30 (UPI) -- A federal study says U.S. teenage drivers, both males and females, are more likely to tailgate and speed when a male teenager is a passenger in the front seat.

WASHINGTON, July 20 (UPI) -- The Centers for Disease Control and Prevention and two other leading U.S. health agencies assure that childhood vaccines have no proven link to autism.

French researchers report the leprosy genome tells the story of human migrations, scientists at the Scripps Research Institute have solved the structure of a protein involved in resisting antibiotics and chemotherapy, and and other genetic research news.