Without them, we couldn't really do any planning for drug-exposed infants, or study the effects of drug exposure.

Until 1990, if a newborn showed drug exposure in a test, it was considered maltreated.

A lot of underemployed doctors will give you a certificate of uterine drug exposure to account for it.

Researchers believe these behavioral problems associated with prenatal drug exposure are intensified by the children's' high stress postnatal environments.

The report found that nearly a quarter of those deaths were caused by drug exposure during pregnancy, a percentage that has tripled since 1998.

Educators say the problem is more complex than simple drug exposure.

Before 1990, newborn children who tested positive for drug exposure were routinely placed in foster care.

However, resistance selection is low when pathogens are challenged at high drug exposure.

Evidence shows that this behavior is most likely a result of the synaptic changes which have occurred due to repeated drug exposure.

However, neuroplasticity in glutamatergic projections seems to be a major result of repeated drug exposure.