... immune system. Second, dopamine helps people face life challenges with energy and confidence. It helps with depression as well as focus. Third, norepinephrine disperses concentration, alertness and motivation. At high-elevated levels of excretion, norepinephrine can cause anxiety and mood restraining effects. In addition low levels of norepinephrine are associated with problems with the sleep cycle, less focusing ability ... Marijuana) it's famous for its significant psychological effects, like its ability to provide relief to chronic pain sufferers, to induce an increase in appetite, t...

• Word Count: 2870
• Approx Pages: 11
• Has Bibliography
• Grade Level: Undergraduate