Smoking during pregnancy increases the likelihood that the fetus will develop schizophrenia later in adulthood, according to a study published in the American Journal of Psychiatry. Previous research has shown smoking during pregnancy can increase the risk of miscarriage, damage the placenta, lead to preterm labor and low birth weight, and increase the risk of sudden infant death syndrome (SIDS) and birth defects. According to the American Pregnancy Association, 12-20% of pregnant women smoke. The study compared outcomes in people prenatally exposed to nicotine to those who were not exposed to the drug. To compare the two groups, researchers gathered data on 977 Finnish cases of schizophre... [Read more]