Repetitive motion injuries, including carpal tunnel syndrome, can cause pain in the wrist and hand. Tumors of the structures in the hand are a very rare cause of hand or finger pain. Certain conditions such as diabetes can cause damage to the nerves, resulting in pain, numbness, or tingling of the arms and legs. This phenomenon, known as peripheral neuropathy, can also sometimes cause hand pain. DeQuervain's disease is a swelling and inflammation of the tendon around the thumb, causing pain in the thumb and lower arm. Trauma or injury to any of the structures in the hand is another common cause of hand pain.
How Marijuana Affects Cardiovascular Health. Marijuana use raises the heart rate by as much as 100 percent â most acutely after smoking, but this effect may last for a few hours. Other effects of marijuana use on the heart include: Chest pain.
Later, the user may have feelings of paranoia and panic. The interaction of the THC with the brain is what causes these feelings. To understand how marijuana affects the brain, you need to know about the parts of the brain that are affected by THC.