Cell Phones Risky During Pregnancy?

Mothers who use cell phones during pregnancy -- and let their small children use cell phones -- increase their child's risk of serious behavior problems by 80%.

Or maybe not.

"This is just a statistical association. We don't know if it is causal or not," study researcher Jorn Olsen, PhD, tells WebMD. Olsen is professor and chair of epidemiology at the University of California Los Angeles School of Public Health.

The finding comes from a survey of mothers of 13,159 Danish children enrolled in a long-term study looking at how various exposures during pregnancy affect children's long-term health. At the time of the current survey, the children were 7 years old.

Read the full story here.