Why Can’t I Just Stop?
The Neurobiology of Addiction: Why Quitting Isn't as Simple as "Just Stopping"
Addiction is a complex disease, not a moral failing. Despite widespread misconceptions, substance use disorder is rooted in significant changes to brain chemistry and function, making it incredibly difficult for someone to simply "just stop" using drugs. Understanding the neurobiological underpinnings of addiction is crucial for fostering empathy, promoting effective treatment, and destigmatizing this challenging condition.
The Brain's Reward System: A Double-Edged Sword
At the heart of addiction lies the brain's reward system, a network of structures that motivate us to repeat behaviors essential for survival, like eating, drinking, and social interaction. When we engage in these activities, our brains release dopamine, a neurotransmitter associated with pleasure and motivation. This surge of dopamine reinforces the behavior, making us want to do it again.
Drugs of abuse hijack this system. Many substances, like opioids, cocaine, and methamphetamine, cause an overwhelming flood of dopamine in the brain, far exceeding the levels produced by natural rewards. This intense rush creates a powerful, often unforgettable, euphoric experience.
The New Neurobiology Of Addiction
Season 2019 Episode 10 | 55m 24sVideo has Closed Captions|CC
Preventive Medicine Lecture Featuring Petros Levounis, MD, MA
11/07/2019
https://www.pbs.org/video/the-new-neurobiology-of-addiction-uxknjc/
Why are Drugs so Hard to Quit?
National Institute on Drug Abuse (NIDA/NIH)
https://www.youtube.com/watch?v=YefKGTu_Xf8
