Bicyclists get a glimpse of Omaha history on tour through city. More than 30 bicyclists took a spin back in time Sunday for the annual Omaha Historical Tour and got a reminder, despite the potholes, that cities are best seen on two wheels or on foot.
Analgesics are a class of drugs that relieve pain without causing the loss of consciousness, as explained in the Spine-health glossary.
Narcotic analgesics. What are Narcotic analgesics. Narcotic analgesics (also called opiates, opioid analgesics, or narcotics) are a group of medicines that relieve acute and chronic severe pain by binding to opioid receptors. There are at least four opioid receptors: mu, delta, kappa and opioid receptor like-1 (ORL1) receptor. These influence the opioid system which controls pain, reward and addictive behaviors. Opioid receptors are most abundant in the brain but are also found elsewhere in the body, including the digestive tract, respiratory tract and spinal cord.