Hand pain can be caused by disease or injury affecting any of the structures in the hand, including the bones, muscles, joints, tendons, blood vessels, or connective tissues. Hand pain is one feature of joint inflammation (arthritis) that may be felt in the hand.
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 physical effects of THIS DRUG include increased pulse rate and blood pressure, reddening of the eyes, coughing, and dry mouth. Marijuana Psychological effects OF THIS DRUG include a mixture of excitatory, depressive, and mildly hallucinatory characteristics that make it difficult to classify the drug.