Once the most common new years resolutions is to quit smoking. Sadly, some people make the resolutions and start smoking the very next day! Nicotine is an extremely addictive drug and before you quit smoking, you ought to understand how it can affect your body, and then continue to choose the right quit smoking program to fit you personally.

Nicotine is also known as alkaloid its chemical name. Many plants contains alkaloids are poisonous and it is know to be bitter when consume. Other than cigarettes, nicotine has also other uses such as used as one of the chemical in weed killers and insecticides. In fact, a human will die if nicotine equivalent to two and a half cigarettes would to be injected directly into a humans body bloodstream.

By smoking the nicotine would enter the bloodstream through the lungs. It then rapidly travels to the brain, causing a chemical reaction and thus changing the way you feel. Your brain will eventually be highly dependant on nicotine along with other chemicals. Thus, lack of smoking will cause your brain to react in a certain way, causing withdrawal symptoms.

Nicotine is more addictive than heroine. As time passes, smokers need to smoke more and more in order to feel the nicotine effect when they first smoked.

Nicotine has various effects on different people. Some smokers claimed that nicotine relaxes them when they are angry or upset. Others have also claim to keep them energetic throughout the day when they are tired. This is also taken into account the amount of intake of nicotine. Nicotine will cause the heart to beat faster than its normal rate, cause rising blood pressures, constrict veins blood flow, pump out adrenaline that raises metabolism and also suppress hunger.

Nicotine interferes with impulse transmission between nerves. One of the chemicals in the brain which causes a pleasurable feeling is called the neurotransmitter dopamine, nicotine raises the level of this chemical which will cause a smoker to experience a pleasurable feeling. Other chemicals affected by nicotine are serotonin, which controls mood, norepinephrine, which affects arousal and appetite, and beta-endorphin, which is able to reduce anxiety.

Cigarette companies are pumping in a lot of money to research on to improve their cigarettes to make it more addictive to people, and also spending a lot of effort in public relations to brand the image and lifestyle of a smoker, and trap people into thinking that smoking is an ultimate lifestyle.