The abuse potential of Morphine is among the highest when compared to other analgesics which are available and in use to treat chronic pain.
LSD can produce a wide spectrum of mental states which may range from a sense of joy, wonder and heightened sensitivity, to panic, confusion and an intense state of anxiety.
The effects of methadone subside long before the drug is out of the person's system; a factor which can make excessive use of the drug extremely risky.
Marijuana products called spice are popular among young adults and teenagers in Europe and the United States.