Researchers from the Turku PET Centre, Finland, have observed that the length of daylight hours impacts opioid receptor levels in brown fat. When daylight hours shorten, the receptor activity levels ...

The body's endogenous opioid system has three classes of opioid receptors: mu, delta, and kappa. Previous research showed that mice lacking the mu opioid receptor do not drink alcohol. A new study ...

The researchers captured eight unique structural models and 16 cryogenic electron microscopy maps of the receptor with both ...

The group of researchers were the first to take snapshots of the moment naloxone reverses an opioid overdose in the brain.

Neuropeptide FF (NPFF) is an endogenous peptide that plays a critical role in modulating opioid receptor function. Its dual capacity to influence both opioid-induced analgesia and tolerance has ...

Scientists have visualized for the first time how opioids such as loperamide and the antidote naloxone engage a key brain receptor, offering insight that could lead to better pain treatments.

Listening to a favorite song can trigger a profound emotional response that rivals the feelings produced by biological ...

By Dennis Thompson HealthDay ReporterTHURSDAY, Nov. 20, 2025 (HealthDay News) — The opioid addiction medication buprenorphine ...

If you’re seeking opiate addiction recovery, you’ve almost certainly considered solutions like therapy and medication. Suboxone, Subutex, and Methadone are common treatments that are used in medical ...

Chronic pain is a daily reality for millions of Americans, interfering with their everyday activities and quality of life. An ...