Arthritis and Diseases That Affect the Hand and Wrist. Many forms of arthritis and related conditions like carpal tunnel syndrome and ganglion cysts cause pain, stiffness and swelling. Read More >>. The hand, wrist and finger joints are prone to several types of damage including fracture, pain and tendon injury. Read More >>.
Marijuana and the Eyes. Marijuana has a few key effects on the eyes. One of the most noticeable occurs shortly after smoking the drug: redness of eyes. THC in marijuana lowers blood pressure which dilates the blood vessels and increases blood flow throughout the body.
The short-term effects of marijuana use include problems with memory and learning; distorted perception (sights, sounds, time, touch); difficulty in thinking and problem solving; loss of coordination and motor skills; increased heart rate, anxiety, bloodshot eyes, dry mouth. Reaction time may be impaired while driving.