What are the Effects of Nicotine?

What are the effects of Nicotine?
As we all know, Nicotine is the harmful, addictive substance drug found in all tobacco products. Nicotine is a nitrogen-containing chemical - an alkaloid, which is made by tobacco plant.
When you smoke a cigarette, chew tobacco, or otherwise ingest nicotine, the effects are immediate the smoker can feel:

Pure Nicotine can produce pleasant range of sensations which includes calmness, relaxation and additional sense of Alertness. As we are most likely aware, Nicotine is an addictive substance.

Nicotine travels through the body in the bloodstream and heads straight for the brain, arriving in 7 to 15 seconds.

In the brain, nicotine boosts the “reward center,” releasing chemicals that cause a pleasant, happy feeling.

Adrenaline is then released, increasing heart rate and blood pressure, and making breathing rapid and shallow. As nicotine use continues, these effects can damage your heart, arteries, and lungs, increasing the risk for heart attack, stroke, and chronic lung disease.