Addiction is a brain disorder caused due to ingestion of something like alcohol, cocaine, nicotine, etc or compulsive engagement into something like gambling, sex, shopping etc.
Even if one knows the harmful effect of it then also it cannot be controlled because the urge is too strong.
The addiction starts from the pleasure one gets in life. Addiction is mentioned mostly for using alcohol, cocaine, nicotine; but it can be of anything in which you feel pleasure but is harming you slowly in one or the other way.
Addiction can become more important than the need to eat or sleep. The addiction replaces all the things the person used to enjoy naturally; and search for the pleasure in the addicted thing.
A person who is addicted to drugs might do almost anything, lying, stealing, or hurting people,to keep taking the drug. This could take person’s life.
Use of drugs changes the working of the brain, which results in mood swings and gradually results in memory loss, trouble in thinking and making decisions.
To get rid of the addiction one has to be determined. Try to indulge in natural method of pleasures, meet your family, become social, attend family functions, meet good friends. This has to be on daily base only then one can get rid of addicted things. Try to work for your dreams. Make efforts in doing thing; nothing can be achieved in a day.