Mental health counselors also can obtain voluntary specialty credentialing as Certified Clinical Mental Health Counselors (CCMHCs) from the NBCC. To obtain this certification, NCCs must complete at least 60 hours of graduate coursework and at least two years and 3,000 hours of supervised clinical counseling experience.
On the other hand, morphine addicts can grow to tolerate over two grams a day, though it normally only takes 200 milligrams to induce a fatal overdose (60 in extreme cases). This is true whether someone becomes addicted through medical assistance or illicit attempts to get high.
Overdose is more likely with heroin, mostly because the user of the drug generally has no idea how pure or impure (cut) the drug is. One day, they may inject a lower level of purity, and the next day the same amount of a more pure heroin can result in a fatal overdose.