Cellular 'energetic switch' may aid in differentiating drug addiction from natural pleasure

Just now September 24, 2026 1 min read 📰 Medical Xpress

📋 Key Takeaway

The article discusses the impact of addictive substances on the brain's reward system, particularly how they influence dopamine levels, which is crucial for understanding addiction. While not directly related to Iran, the findings could have implications for addressing substance abuse issues in the country. Understanding these mechanisms may inform public health strategies in Iran.

Alcohol, opioids, nicotine, cocaine and other addictive substances are known to influence the brain's reward system, the network of brain regions involved in the reinforcement of pleasure-seeking behaviors. Many of these drugs trigger large surges in dopamine, a chemical messenger released in the brain that supports communication between cells, motivation-driven behaviors and learning.