Currently about what percent of school-age children in the United States are obese?

Roger is a heavy user of alcohol. Roger's alcohol consumption raises his risk for which type of cancer?

a. cancer of the mouth b. cancer of the pharynx c. esophageal cancer d. cancers of the mouth, pharynx, and esophagus e. none of the above; alcohol consumption is not involved in cancer

Rhonda has always gotten people's attention by acting "silly," but she wants to get out of this habit. So, she practices intelligent but interesting "starter" conversations to keep people's attention. Rhonda is using which strategy for breaking a bad habit?

a. breaking up response chains b. cues and antecedents c. alternate responses d. extinction