What are the effects of painkillers on the brain?
The effects of painkillers on the brain is to block the transmission of pain signals to the brain. They also cause constriction of blood vessels, which reduces bleeding. The most common painkillers are opioids. These include codeine and morphine. Painkillers can be used for mild to moderate pain after surgery or dental work or for chronic conditions such as arthritis, cancer and back pain. Check out this site
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