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.
Cognitive functions are overloaded by THC during marijuana use and create lapses in thought process, time delay and loss of memory. Research further indicates that there are long-term affects to these areas of the brain when marijuana is used on a regular basis over time.arts of the Brain Highly Affected. The THC in marijuana attaches to naturally produced cannabinoid receptors in the brain and changes how these receptors process information. The natural regulating mechanisms become blocked and produce an overflow of chemicals, causing the disruptions of regular brain functioning.