WASHINGTON — Some mothers and fathers might want to take a lesson from their children: Just say no. The government reported yesterday that 4.4 percent of baby boomers ages 50 to 59 indicated that they had used illicit drugs in the past month. It is the third consecutive yearly increase recorded for the group by the National Survey on Drug Use and Health. Illicit drug use among young teenagers declined for a third consecutive year, from 11.6 percent in 2002 to 9.9 percent in 2005. The annual survey on drug use and health involves interviews of about 67,500 people. It provides an important snapshot of how many Americans drink, smoke, and use drugs such as marijuana, cocaine, and methamphetamine. Overall, drug use remained relatively unchanged among Americans age 12 and older in 2005. About 19.7 million Americans reported they had used an illicit drug in the past month, which represented a rise from 7.9 percent to 8.1 percent. Among the 18 to 25 group, drug use rose from 19.4 percent to 20.1 percent. David Murray of the Office of National Drug Control Policy said the peak of drug use among youth in the United States […]