Listed below, you'll discover details on a few of the most popular illicit drugs along with their short- and long-term results. When it comes to seeking treatment, there are lots of options to consider. You should search for a treatment center that provides a complete continuum of care and a range of evidence-based treatments.Of the 27.1 million people who said they had used illicit drugs in the past month in 2015, more than 22.2 million reported using cannabis. The variety of individuals 12 and older who used heroin in the previous year increased from 404,000 in 2002 to 681,000 in 2013. Making use of other illegal drugs, such as drug, meth and hallucinogens, has remained mainly the exact same because the mid-2010s.