The brain and emotions can do more than help people think and feel; they can cause serious problems such as depression and eating disorders. Depression is an illness that causes constant sadness. There are about seven different types of depression. Many negative effects arise from depression. Eating disorders are another brain disorder that causes drastic changes in your daily diet. The three main types of eating disorders are anorexia, bulimia and binge eating. They cause extreme weight loss or gain; Treatment of these brain disorders requires time, therapy, medical care, monitoring, and nutritional counseling. Brain disorders are very important and knowledge and awareness must be widespread." Structural, biochemical or electrical changes in the brain and spinal cord, or in the nerves leading to or from them, can cause disorders that result in paralysis, weakness, poor coordination, seizures or loss of sensation." (page 80, Charles Clayman) Brain disorders occur when the brain is damaged or defective. The causes vary depending on the different types of disorders you may have. Some of the main causes are trauma to the brain, stroke, small amounts of blood and oxygen in the brain which can lead to cell death, several diseases can be hereditary causes or conditions that affect the brain. There are many different causes for different types of brain disorders. Depression is a medical illness that causes constant sadness and lack of interest. It can influence the way people think, feel and behave. Depressed people may have difficulty carrying out daily activities. “I experienced persistent sad and empty moods. I had a slight loss of interest in school. I was always tired. I lost my appetite; I rarely ate a de...... middle of paper... .../ healthline.com/health/brain-disorders>.Clayman, Charles B. The Human Body: An Illustrated Guide to Its Structure, Function, and Disorders London: Dorling Kindersley Pub., 1995. Print."Depression RSS. Np, nd Web. 09 March 2014. "Eating Disorders." National Eating Disorders Association." General Information | National Eating Disorders Association. Np, nd Web. 09 March 2014. .Koch, Carl. I Know Things Now. Winona, MN: Saint Mary's, 1996. Print.Medical News Today. MediLexicon International , 2 Web. 08 Mar. 2014. .