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Cigarette vs Vape — Which Is More Harmful? | Health & Science Explained
There’s a reason your grandfather’s generation smoked without a second thought, while today people step outside, hide the habit, or switch to vaping instead.
It’s not because cigarettes changed. It’s because we finally found out what was inside them, and who spent decades hiding it.
This is the story of how a toxic product became a cultural symbol, how the truth took almost a century to surface, and what actually happens when someone tries to quit.
What’s Actually Inside a Cigarette
A single cigarette contains around 600 ingredients. That doesn’t sound too alarming until you learn that burning those ingredients creates over 7,000 chemicals.
Three of them do most of the damage.
Nicotine is the addictive part. It hits your brain’s reward system and triggers a dopamine release, the same chemical reaction tied to pleasure and motivation. That’s exactly why quitting feels like your brain is punishing you. In a way, it is.
Tar is the sticky residue that coats your lungs. If you’ve ever seen a yellowed ceiling in an old smoker’s house, that’s tar. Now imagine that coating happening inside lung tissue instead of a wall.
