Certain drugs are more addictive than others due to the chemical makeup. A team of scientists conducted a study and came up with what they call a “dependency rating” in order to measure how addiction different drugs are. The dependency rating measures the addictive potency on a scale of 0-to-3. Here is a list of the top 10 most addictive drugs along with their dependence rating, in order of most addictive to least.
Heroin – 2.89
Crack Cocaine – 2.82
Nicotine – 2.82
Methadone – 2.68
Crystal Meth – 2.24
Alcohol – 2.13
Cocaine – 2.13
Amphetamines – 1.95
Benzodiazepines – 1.89
GHB – 1.71