cigarettes and dopamine Nicotine Dopamine: How Addiction Starts in the Brain How does nicotine work
How does nicotine work Addiction to Smoking Nicotine a Mental Illness Let's talk about what smoking really does to your brain. Nicotine triggers dopamine (the brain's feel good chemical) but over time, it alters your brain's reward system at the genetic level. That's Nicotine addiction can become a cycle of dopamine release, withdrawal, and cravings that reinforces continued nicotine use. The tobacco industry profits from keeping this cycle going. What feels like relief is often How Nicotine Hijacks Your Dopamine System: The Science of Why You Can't 'Just Stop' Nicotine Addiction PMC
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