Health, Pregnancy | featured news

More than 30 years after the world greeted its first "test-tube" baby with a mixture of awe, elation and concern, researchers say they are finding only a few medical differences between these children and kids conceived in the traditional way....

Researchers for the first time have linked air pollution exposure before birth with lower IQ scores in childhood, bolstering evidence that smog may harm the developing brain.

The results are in a study of 249 children of New York City women who wore backpack air monitors for 48 hours during the last few months of pregnancy. They lived in mostly low-income neighborhoods in northern Manhattan and the South Bronx. They had varying levels of exposure to typical kinds of urban air pollution, mostly from car, bus and truck exhaust.