What Are The Most Dangerous Drugs In The World?

Nowadays, taboos and misinformation can no longer be an excuse. Find out which are the most dangerous drugs in the world and their effects on the body.
What are the most dangerous drugs in the world?

The drugs have a difficult subject to talk about and that triggers controversy. Starting from some prohibitionist policies up to the alarming spread of these substances in every area of ‚Äč‚Äčtoday’s society.

For these reasons, it is essential to define what drugs are and how they are experienced by the people who consume them.

Each person has a preference for a different type of drug. Sometimes, preferences can depend on the person’s gender, as shown by a study by the Spanish Ministry of Health, Social Services and Equality.

It is important to remember that a drug is any narcotic substance, whether of natural, synthetic or mixed origin.

This substance directly or indirectly influences the perception, assimilation and biological, chemical and neurological interaction of the individual who is under its effects.

The most dangerous drugs in the world

1. Tobacco

Tobacco is among the most dangerous drugs

It is worth dwelling on this topic for a moment.

Although the use, manufacture and distribution of this drug are widely recognized, it is important to understand that it does not stop being a narcotic.

Indeed, to be precise, tobacco is among the drugs classified as legal.

The relationship between different types of cancer and smoking has undoubtedly been proven. Therefore, you must know that this natural drug is the raw material of a controversial and millionaire industry: that of cigarettes.

In addition to tobacco, cigarettes also contain a set of chemicals with a high toxic content and harmful to health.

Pathologies derived from smoking

  • Lung cancer.
  • Chronic pneumonia.
  • Pulmonary emphysema.
  • Diseases of the bronchi.
  • Deterioration of the respiratory tract (mouth, tongue, larynx, throat, esophagus, etc.)

2. Methamphetamine

You have probably seen the famous series in which a talented chemist, and his faithful assistant, are the protagonists and pioneers of the manufacture of an exceptional methamphetamine.

But do you know what this is really about?

Methamphetamines are highly addictive and are very popular drugs in the United States, Canada and Europe. In general, they are known for their crystal-like appearance, although they also exist in powder or pill form.

The use of methamphetamines causes a violent impact on the body’s neurochemical system, creating an immediate addiction.

Consequences of using this drug

  • Irritability
  • Increase and development of paranoid episodes.
  • Significant increase in severe infections when administered with shared syringes (common habit in regular users).
  • Hallucinations (moderate or intense depending on the amount administered).

3. Alcohol


Alcohol is another socially accepted drug treated as “normal”, or even “healthy” in many countries.

However, the effects of alcohol consumption are very dangerous for our health. Alcoholism is the best known consequence of the constant and continued consumption of this ethyl compound.

It is a real social, family and medical scourge. The health effects of alcohol abuse can in fact be traumatic and irreparable.

Pathologies resulting from excessive alcohol consumption

  • Cirrhosis.
  • Hepatitis A and B.
  • Acute chronic gastritis (with varicose ulcers).
  • Sometimes, depending on the health conditions of the person, there have been cases of scurvy due to the consumption of alcohol.

4. Cocaine

When it comes to drug use, cocaine certainly holds the record.

Various South American countries are infamous for the manufacture and export of this product derived from the alkaloid of the coca leaf.

This drug is particularly in demand in the north of the continent, in Mexico and the United States.

Cocaine is marketed in powder, pill or liquid form. Find out what are the effects and consequences of using this dangerous drug on the body.

What happens to the body that consumes cocaine?

  • In hypersensitive individuals, the senses are refined.
  • Increased heart rate and blood pressure.
  • Agitated movements and hyper-excitation.
  • Increased stress levels and sudden paranoia.
  • Release of excessive amounts of dopamine, as a response to the chemical stimulus of cocaine.

5. Heroin


Heroin is one of the most dangerous drugs in the world.

Known for its powerful sedative effect, it has resulted in many overdose deaths. Remember: there is no safe dose for using this opiate!

The best known crops are found in Asia, particularly Afghanistan, which has the highest crop levels of poppy leaves, the raw material for this drug.

Think that in China and Taiwan, the consumption of derivatives of this drug is very common on several occasions.

Regarding the repercussions on the body, taking heroin results in serious and in many cases fatal consequences. This is due to the high addiction and toxicity index of this narcotic.

What happens to the body after taking heroin?

  • Dilation of the pupils.
  • Sudden decrease in breathing and heart rate due to ecstasy.
  • Almost instant catatonic state.
  • Dilation of the sphincters.

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