Which is the second most common sexually transmitted disease contracted by American adolescents?

Rank the following drugs (from highest to lowest) according to the number of mentions in the 2009 DAWN emergency department dataset

A. Cocaine, heroin, prescription opioids, antidepressants B. Cocaine, prescription opioids, heroin, antidepressants C. Alcohol-in-combination, cocaine, heroin, prescription opioids D. Alcohol-in-combination, prescription opioids, heroin, cocaine

While nearly _____ percent of Americans report that they have

visited a chiropractor at some point, your authors point out that chiropractic procedures are no better than standard approaches, such as exercise or physical therapy. A) 5 B) 10 C) 15 D) 20