What Is Comorbidity? The term “comorbidity” describes two or more disorders or illnesses occurring in the same person. They can occur at the same time or one after the other. Comorbidity also implies interactions between the illnesses that can worsen the course of both.
Learn about the free drug addiction informational booklet series, The Truth about Drugs. Read the guides, download them in PDF format or order hardcopies of the booklets about substance abuse and addiction. Learn more about the effects of abusing marijuana, alcohol, ecstasy, crack cocaine, coke, crystal meth, heroin, LSD and prescription painkillers, antidepressants, stimulants and depressants.