Fentanyl is a synthetic opioid with a high potency level, prescribed for the treatment of severe pain, particularly post-surgery and in cancer patients. Fentanyl is 50-100 times more potent than morphine and far more potent than heroin. Fentanyl acts by binding to opioid receptors in the brain, resulting in pain relief and a sense of euphoria. The legally prescribed version of fentany... https://secondnewlife.com/fentanyl-addiction/