Author: JACQUELINE HOWARD, CNN

Study: 9/11 attack tied to cardiovascular risk in firefighters

Exposure to the enormous cloud of toxins, dust and debris that resulted from the terrorist attack on the World Trade Center in 2001 has been linked to an increased risk of cardiovascular disease among first-responder firefighters, according to a new study.

NC sues 8 e-cig companies, alleging marketing to children

North Carolina Attorney General Josh Stein filed eight lawsuits against eight separate e-cigarette companies on Tuesday, alleging that the companies are "unlawfully targeting children" and not requiring appropriate age verification when selling products.

CDC: US fertility rate falls to 'all-time low'

The general fertility rate in the United States continued to decline last year, according to a new report from the US Centers for Disease Control and Prevention's National Center for Health Statistics.