Listed below, you'll find information on a few of the most popular illicit drugs as well as their brief- and long-lasting effects. When it comes to looking for treatment, there are lots of alternatives to consider. You need to try to find a treatment center that offers a complete continuum of care and a range of evidence-based treatments.Of the 27.1 million individuals who stated they had actually used illicit drugs in the previous month in 2015, more than 22.2 million reported using cannabis. The number of people 12 and older who utilized heroin in the previous year increased from 404,000 in 2002 to 681,000 in 2013. The use of other illegal drugs, such as cocaine, meth and hallucinogens, has actually stayed mostly the same given that the mid-2010s.