The use of illegal drugs among Americans in general is holding steady, but it's surging among middle-aged baby boomers, according to report released Wednesday.
The National Survey on Drug Use and Health indicated that 9.2 percent of Americans aged 12 and over, or 23.9 million, were current consumers of illicit substances.
That's down slightly from rates of 8.7 to 8.9 percent in 2009 to 2011, said the report, sponsored by the US government's Substance Abuse and Mental Health Services Administration....