Babies born to women who smoked as few as 10 cigarettes are more apt to have thinking and learning problems later, a new study suggests.
Studies have long shown that babies born to smokers are likely to be premature, small and have behavior problems early on. The new research found that the negative health effects of tobacco exposure in the womb can last for years, taking a toll on teens' executive function -- learned skills involving memory, reasoning, problem-solving and planning -- that are important in school and life, medicinenet reports.
Up to 8 percent of U.S. women smoke during pregnancy, according to the U.S. Centers for Disease Control and Prevention. The authors said the new findings point to the need for more programs to help women of childbearing age quit smoking.