Why do drugs cause addiction at different rates?
Drugs such as amphetamines (especially methamphetamines), opioids and opiates, benzodiazepines, tobacco, alcohol, cocaine (crack) are very addictive While drugs like LSD and psychoactive mushrooms, MDMA and cannabis are more slowly addictive. Although I've heard that MDMA isn't addictive because if you take it for several days in a row, it no longer has any effect….