Addiction is the need of an addict. Addiction means to be addicted to something particular,which is very much needed by the addict.The substance that an addict is addicted might be drugs,drinks like alcohol or another kind of substances that pleasures the addict or make the addict crave for that.
Addiction is state of mind or a phase of brain function that always make the addict crave for that substance which gives him some kind of pleasure.
The brain function and brain chemistry is changed then. When an addict takes the addictive substances it pleasures him by effecting the brain chemistry and satisfies the mind.
What happens is, people normally get addicted to alcohols or drugs due to use of them. But not normally all the people get the addiction to those addictive substances but simply using them and etc. Modern people drink alcohol in form of whiskey,vodka,beer, champagne and etc. But not all of them do get addicted to it.
And many other drugs like narcotics,sedatives,tranquilizers and others are used by people for their treatment and which is prescribed by their health care doctors. In this case also they don’t get addicted to that drugs instantly.
What causes the addiction to them is the lasting pleasure.When someone desires for the long lasting pleasure that they gain by the drugs or any kind of substances like alcohol containing beers,whiskey,vodka. They do take that again and again.Thus it causes ultimate addiction.
And those who are addict they find it impossible to do without the drugs they take or the substances they take.
The addictive drugs changes the brain chemistry of an addict such a way that after that,the brain automatically wants the same chemical change in the brain by means of drugs or any other way. And eventually the addict go for the addictive substance.Which may lead him to do many other wrong and illegal or harmful activities to all the people around him and even to himself.
Our human brain is programmed in such a way that what feels good to us,it wants that more and more. And if by any chance we ever give it a chance to rely upon its demand and do according to it ,in order to pleasure ourselves,then it causes a permanent desire for that. Brain records all the feel of the pleasure in such a way which is not distinctive whether it is by the source of drugs,sexual desire,and any kind of deed that makes this result.
Pleasure is what human feel when the dopamine(neurotransmitter) releases in such a great amount than normal,which causes the brains pleasure center, pleased by the effect that dopamine does.
All kind of substances like narcotic, sedatives and alcohols or the other addictive substances dramatically changes the amount of dopamine release. It causes the dopamine release high in amount.Thus the pleasure center gets the pleasure. Not only the drugs can cause the pleasure to humans.
Whenever we get pleasure,it might be anything which causes happiness or satisfaction or pleasure,ultimately our brain releases the dopamine which in term binds to the particular to make the brains pleasure center active. So, its not always drugs and substances that causes addiction. In this new age, addiction is related to games,social networking,texting and other various things that pleasure the peoples mind day to day.
Addiction can be caused by both intention or non-intention. And can be seen or not be seen. But affect the same way to the addicts. Some addictions are considerably good but some are not and even more threatful, harmful to all and even the addict.