Attending a drug rehab may be necessary when a person is severely addicted to drugs or alcohol and wants help to stop using. Most people attempt to stop taking drugs on their own and some succeed. Unfortunately, many severe drug abusers find that it is not as easy as they anticipated, achieving abstinence and they end up using again. You should of course attempt to stop on your own first and if that fails enrolling into a treatment program would be the next option.

Often these heroin users are under the misconception that if they do not inject the drug they will not become addicted. Those who have entered rehab to recover from heroin addiction include every method of heroin user. Annual admissions to substance abuse treatment for primary heroin abuse increased from 228,000 in 1995 to 254,000 in 2005; however, the proportion of primary heroin admissions remained steady at about 14 to 15 percent of all admissions. Between 1995 and 2005, inhalation and injection accounted for at least 94 percent of annual primary heroin admissions.

From 1898 through to 1910 heroin was marketed as a non-addictive morphine substitute and cough suppressant. Bayer marketed heroin as a cure for morphine addiction before it was discovered that heroin is rapidly metabolized into morphine, and as such, "heroin" was basically only a quicker acting form of morphine. The company was somewhat embarrassed by this new finding and it became a historical blunder for Bayer.

One ounce of meth can be made for as little as $150 and sold for $1,500.