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.
Fact: Marijuana does not cause long-term cognitive impairment in users who start after 21 years old. The short-term effects of marijuana include immediate, temporary changes in thoughts, perceptions and information processing. The cognitive process most clearly affected by marijuana is short-term memory.