New research suggests that pregnant smokers may suffer from depression, which makes kicking the habit even harder. The emerging science suggests that decades-old "quit for your baby" messages are too simplistic an approach for many women, and perhaps prenatal checkups should include screening pregnant smokers for mental health disorders that themselves require care.

With African-Americans and other minority groups having both problem and pathological gambling rates that are 2-3 times higher than Caucasian gamblers, accurate diagnosis is essential to treat gambling addiction," says Renee Cunningham-Williams, Ph.D., a leading gambling addictions expert and visiting associate professor of social work at Washington University in St. Louis.

Continuing medical education, newsletters and resource guides were only partially successful in changing the way that pediatricians handled behavioral health problems, according to a follow-up study at Wake Forest University School of Medicine.

Exposure to trauma may create enough changes in the brain to sensitize people to overreact to an innocuous facial gesture years later, even in people who don't have a stress-related disorder, says new research. It appears that proximity to high-intensity traumas can have long lasting effects on the brain and behavior of healthy people without causing a current clinical disorder.