Risk is greatest among children exposed both in the womb and at a young age, study suggests

But outside expert questions whether counseling may be more important after test comes back positive

Marijuana accounted for third of drugs found in systems of drivers killed in accidents

Worries that wider adoption of the screen might lead to unnecessary surgeries are unfounded, experts say

But research doesn't prove one causes the other

Talk Therapy for Depression Not as Effective as Believed: Study England, Wales Ban Smoking in Cars With Youngsters Other Foods on Plate Key to Kids' Veggie Intake: Study

And keep up healthy habits once your baby arrives

Being overweight can cause these problems