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Addictions to Smoking and Alcohol A lot of people suffer from the consequences of smoking and drinking alcohol, which often leads to addiction. The word 'addiction' is a very powerful word in this sense, as it means the physical and psychological craving for a substance that develops into a dependency, and continues even though it is causing the addicted person physical, psychological and social harm. The disease of addiction is chronic and progressive; it can lead to extremely dangerous outcomes. This applies to both smoking, and alcohol addiction. Smoking is not just a bad habit, but also a complex addiction. Experts believe that nicotine exerts its powerful addictive effects by altering two chemicals in the brain - dopamine and nor adrenaline - known as neurotransmitters. Within seven seconds of inhaling, a concentrated dose of nicotine is delivered directly to the brain, producing a nicotine "rush". Many smokers interpret this rush as one...

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