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.
Marijuana affects reaction time, short-term memory, hand-eye coordination, concentration, and perception of time and distance. Even if you think you're a better driver when you're high...you're not. Driving High is Illegal. Consuming any amount of marijuana before or during driving will put you at risk for DUI.