Dermatologists at the Washington University School of Medicine in St. Louis led the telephone survey. Results were published online Monday.
A new study in the journal Pediatrics warns that high school sophomores with drinking problems may have been influenced by ads as early as the seventh grade.
On average, women face a 1 in 88 chance of having a child with autism.
It’s an issue that raises ethical questions, and some experts are urging caution.
What leads gay, straight teens to attempt suicide?