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.
One study showed that marijuana used in high doses could have a significant impact on peripheral vision. Marijuana and Glaucoma. Marijuana is used in some cases medicinally to treat eye conditions like glaucoma. Glaucoma is a disease of the optic nerve and is the second leading cause of blindness.