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Nicotine, tar, carbon monoxide, and acetone are the harmful chemicals present in tobacco

Retrieved 2026-01-19

Nicotine has the ability to bind with specific receptors in the brain, blocking them from being able to signal the release of different chemicals acetylcholine, GABA, etc

Higher levels of nicotine, ammonia, and sugars have increased the addictiveness of cigarettes over time

According to the Mayo Clinic, long-term tobacco use also greatly increases your risk of dying from heart disease or a stroke

Still, it's a good idea for products to be used before their "sell by" date and products being held in reserve to survive a zombie apocalypse should be periodically inspected