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Articles on Opioid receptor

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Opioid neurotransmitters are located in many areas of the body, including the brain, spine and gut. ALIOUI Mohammed Elamine/iStock via Getty Images Plus

Your body naturally produces opioids without causing addiction or overdose – studying how this process works could help reduce the side effects of opioid drugs

Unlike opioid drugs like morphine and fentanyl that travel throughout the body, the opioids your body produces are released in small quantities to specific locations.
A part of the brain called the lateral parabrachial nucleus regulates pain, anxiety and breathing. Aleksei Morozov/iStock via Getty Images Plus

Pain and anxiety are linked to breathing in mouse brains – suggesting a potential target to prevent opioid overdose deaths

Opioids can cause death by slowing breathing to dangerously low levels, or stopping it altogether. Examining one area of the brain may eventually lead to safer painkillers.

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