Patterning of risk behavior from late adolescence to almost 30 years of age differed depending on the type of behavior. Most risk behaviors decrease from late adolescence to young adulthood, but the age when decline begins differs. While drinking up to the point of drunkenness, smoking, cannabis use, and deviance decline during young adulthood, HIV-related sexual risk behavior still increases. This might indicate a distinct functionality compared with other risk behaviors.
