Morphine Addiction and Mental Health Issues

Since its introduction in 1808, millions of people have become addicted to the opiate pain-killer morphine. As with its cousin heroin, morphine changes the chemistry of the brain, blocking certain pain signals and replacing the naturally occurring trace chemicals that manage pain, emotions and stress. These compounds initially do an excellent job relieving pain, even bringing on a sense of euphoria that the brain will want to experience again and again. Thus the cycle of addiction is...