How Does Nicotine Replacement Therapy Relieve Addiction?
”From a scientific standpoint, nicotine is just as hard, or harder, to quit than heroin.” This jarring statement from nicotine researcher Dr. Neil Benowitz may explain why so many people struggle with giving up nicotine for years, or even a lifetime. When individuals use conventional cigarettes, cigars, chewing tobacco or e-cigarettes, the bloodstream quickly absorbs the chemical nicotine and transports it to the brain. The brain responds by releasing dopamine, the “happy hormone,” producing a pleasurable sensation. The body eventually grows accustomed to that sensation and becomes dependent on nicotine to produce it. When a smoker quits cigarettes, they may begin to feel angrier, sadder and hungrier due to the lack of stimulation from nicotine

