Marijuana residues were found in ancient tombs in the mountains of western China, the earliest evidence of the use of this plant.
If you notice, you will see many hotels in the world ignore room number 420, the favorite number of people who like to smoke marijuana.
Smoking marijuana can increase the risk of cardiovascular disease in young people and may even be fatal from dangerous complications.
Young people addicted to cannabis, who smoke continuously for 3 years, will have difficulty remembering and have an abnormal brain structure compared to those who do not use them.
Researchers found that the act of being addicted to cannabis while still in school can cause them to lose their intelligence, as shown by their low IQ, when they reach adulthood.