Nicotine dependency is an addiction to tobacco products which contain the chemical substance and drug ‘nicotine.’ Nicotine means addiction means that you cannot stop using the substance. Even though it might be causing you harm.

Nicotine produces physical and mood-altering effects in your brain that are temporarily pleasing these effects make you want to use tobacco and lead to dependence. At the same time stopping tobacco use causes withdrawal symptoms - these include irritability and anxiety.

It’s nicotine in tobacco that causes dependance, there are toxic effects from the substance of the tobacco itself which results from other substances in the tobacco. Smokers have much higher rates of heart disease, stroke and cancer than nonsmokers do.

Regardless of how long you've stopped smoking - stopping instantly improves your health. Many effective treatments for nicotine dependance are available to help you manage withdrawal and stop smoking for good. If you need help - ask your doctor they can even refer you to additional help such as rehab.

For some, any amount of tobacco quickly leads to nicotine dependence. Signs of addiction includes  - you cannot stop smoking.

If you go without smoking you feel withdrawal symptoms.

Your attempts at stopping cause serious physical and psychologically related symptoms. These can include strong cravings, anxiety, irritability, restlessness, great difficulty concentrating, a depressed mood, frustration , anger, increased hunger, insomnia, constipation and diarrhea.

You keep smoking despite health problems. Even though you have developed health issues with your lungs or heart, you have not been able to stop.

You give up social and recreational activities in order to smoke tobacco. You might stop going out to smoke free restaurants and socialising with particular family members or friends because you can't smoke in these situations

When should you see a doctor?

You’re not alone if you have stopped smoking but haven't been able to stop permanently, many smokers make numerous attempts in stopping smoking , you’re more likely to stop for good if you follow a regimented treatment plan that addresses both mind and body components of the recovery process.

Techniques like using medication and working alongside a counsellor specially trained to help people stop smoking is going to boost your chances of success. Another great way of increasing your chances of quitting successfully is to enrol in private rehab.