Heroin is an opiate that causes a rise in dopamine levels in the brain as much as 200%. In addition, it also belongs to the most dangerous substances, because the dose leading to death is only five times higher than the smallest dose that leads to consumption. Because of this, he was proclaimed the second most dangerous drug, because he hurts both the user and the society in which he lives. The percentage of crime is higher in the areas where there is a higher trafficking of narcotics.
Although legal in most of the world's countries, alcohol is considered to be the second most serious drug addict. Alcohol has more harmful effects, but in laboratory experiments on rats, it has been proven to raise the level of the seizure of dopamine from 40% to as much as 360%. About 22% of the world's population developed alcohol dependence (to a greater or lesser extent) in some lifetime and it was estimated that around 3 million people died in 2012 from the effects of alcohol consumption.
Cocaine directly affects and changes the use of dopamine in the brain more than any other substance. Basically, cocaine prevents neurons from "eating", which leads to brain ecstasy. It is estimated that between 14 and 20 million worldwide is enjoying cocaine and that the black market of this substance is worth $ 75 billion. Krek, a cocaine expert, is regarded as the third most powerful drug in the world
Known as "blue bullets" were initially produced as an anti-anxiety drug. They mediate between chemical reactions in the brain, and gases of a certain brain region. In small doses, they cause euphoria, but in a larger amount they can be life-threatening because they can stop breathing. The dependence on barbiturates was common while used in medicine until it was replaced by less harmful drugs.
The main trigger is the dependence on tobacco, which also works fastest, because through the lungs the fastest effect on the brain. Although NATO's list puts him in the 12th place as the most addictive substance, he has enough arguments to convince himself that perhaps he is the strongest substance. Let's remember that the tobacco industry, with the most economically most economically viable in the world.