"What we really want to do is encourage people to follow those guidelines for drinking, " said Dr. Robert Brewer, of the alcohol program division of the CDC's National Center for Chronic Disease Prevention and Health Promotion.

CNN: CDC: 1 in 5 high school girls binge drink

While binge-drinking rates have fallen among boys over the past 10 years, "binge-drinking rates among girls really haven't changed much over a 15-plus-year period, " said Dr. Robert Brewer, of the alcohol program division of the CDC's national Center for Chronic Disease Prevention and Health Promotion.

CNN: CDC: 1 in 5 high school girls binge drink