Nicotine is considered a drug. In fact addiction to nicotine due to tobacco smoking is considered by the FDA to be a disease. The drug itself is colorless. It can also be slightly yellow and oily looking substance that is found in adequate amounts in tobacco plants. It is believed that tobacco plants produce nicotine as a way of protecting themselves from grazing animals in the ecosystem. In fact in the ecosystem tobacco leaves are poisonous to animals due to the present nicotine. If animals eat tobacco leaves they may even cause nicotine poisoning amongst humans should they eat the meat.
Nicotine can also be found in traces in such plants as tomatoes, potatoes and aubergine. However the amounts found in these plants are not enough to cause any addiction nor poisoning no matter how much potatoes nor tomatoes a person may chose to eat. The effect of nicotine in human beings will include severe dependence, cravings, tolerance and sensitization. The drug causes stimulation in the brain by producing the hormone dopamine which over a period of time creates severe dependency or addiction. This addiction is the anchor of the tobacco industry on whose strength the tobacco industry prospers. Nowadays, nicotine is not just enclosed in the concept of traditional tobacco. Nicotine is now also present in e-cigars but with a different form such as nic shot. A lot of people are very interested in this new breakthrough.
Due to the dependence caused by the drug, most smokers have to continue to smoke for fear of associated negative mood states which are psychological effects of withdrawal of nicotine. This therefore means for most people continued cigarette smoking is not by choice but is a mere state of slavery to the addiction which must be ruthlessly broken if one is to walk away smoke free. The most efficient and effective delivery of nicotine is through cigarette smoking. When a person smokes it takes less than 20 seconds for the drug to reach the brain. It enters the blood stream via the lining of the lungs and travels to the brain in the blood. It enters the brain by crossing the blood brain barrier were it attaches itself to receptors.
The forthcoming nicotine vaccine which will likely be administered via injection once a year will work by preventing this addictive drug from cross the blood brain barrier into the blood stream. It is hoped the vaccine will permanently disarm nicotine making continued smoking un-pleasurable and discouraging those wanting to start especially amongst school kids.
Another dimension to nicotine which is perhaps positive is that the addictive drug has found a place in the manufacture of nicotine replacement therapy products. These are used by people who are wanting to stop smoking. These NRTs as they are also known in short will include patches, gum and inhalers. Different people have found different results in using these products to stop smoking. many have them useful in reducing the severity of withdrawal symptoms which often drive many crazy and into continuing smoking again commonly known as smoking relapse.
You may learn more about nicotine poisoning by following the link. Infants and pets around the home of smokers are at high risk of poisoning including people who use nicotine replacement products and continue cigarette smoking at the same time. Nicotine found in tobacco cigarettes is also known to cause high blood pressure spikes in the short term and hypertension in the long term by damaging nerves and blood vessels.