Wrist, Hand & Finger Pain Causes. If you have pain the hand, understand potential causes of hand or wrist pain including arthritis, injury or other conditions. Read More >>. If you have wrist and hand pain, learn what steps your doctor may take to provide you with a diagnosis of arthritis or other condition.
Marijuana also affects brain development. When people begin using marijuana as teenagers, the drug may reduce thinking, memory, and learning functions and affect how the brain builds connections between the areas necessary for these functions.
Scientists have learned a great deal about how marijuana acts in the brain to produce its many effects. When someone smokes marijuana, THC rapidly passes from the lungs into the bloodstream, which carries the chemical to the brain and other organs throughout the body.ddictive potential. Long-term marijuana abuse can lead to addiction; that is, compulsive drug seeking and abuse despite its known harmful effects upon social functioning in the context of family, school, work, and recreational activities.