The region was developed in the 19th century for coal mining. In 1830 the Jackson brothers (Freres FrÃ¨res) jackson built a steel works At assailly in what is now the north Of. lorettehe region was developed in the 19th century for coal mining. In 1830 the Jackson brothers (Freres FrÃ¨res) jackson built a steel works At assailly in what is now the north Of. lorette
But the process does irritate your lungs -- which is why regular pot smokers are more likely to have an ongoing cough and to have lung-related health problems like chest colds and lung infections. Other physical effects of marijuana include: 1  Dizziness. 2  Shallow breathing. 3  Red eyes and dilated pupils. 4  Dry mouth.
Psychological Addiction. However, marijuana causes more of a psychological addiction than a physical addiction, and can include symptoms like anxiety, depression, and mood swings. Because the brain is a powerful tool, psychological symptoms and cravings can often be even stronger than physical addiction and withdrawals.