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. Wrist & Hand Pain Diagnosis. 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. Wrist, Hand & Finger Care. Learn how to care for your hand and wrist - including the fingers and thumb. Find out how you can prevent pain and maintain your daily activities.
However, a new study suggests that teenagers who use marijuana regularly are at greater risk for long-term brain damage and declines in both IQ and cognitive functioning years later.
How marijuana affects the mind. Marijuana reaches the same pleasure centers in the brain that are targeted by heroin, cocaine and alcohol. Depending on the quantity, quality and method of consumption, marijuana can produce a feeling of euphoria â or high â by stimulating brain cells to release the chemical dopamine.