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.
Marijuana's effects on human cognitive functions, psychomotor functions, and personality. Murray JB. Marijuana is complex chemically and not yet fully understood, but it is not a narcotic. Like alcohol, marijuana acts as both stimulant and depressant, but it lingers in body organs longer than alcohol. Smoking marijuana can injure mucosal tissue and may have more carcinogenic potential than tobacco.