Thesis: Aerobic exercise, especially when done for thirty minutes at least three times a week, can have a significant impact on reducing the symptoms of depression. Selection and Evaluation of Sources: For my first source, I used the entry Exercise and mental health, written by Margaret Alic, in The Gale Encyclopedia of Mental Health. I found this encyclopedia entry by searching the Gale Virtual Reference Library, using the search terms ‘depression exercise’. The article is current because it was published in 2012. It is authoritative because the author of the entry, Margaret Alic, has a PhD, and has written many other articles in Gale medical reference works.
The purpose of the encyclopedia where I found this article is to provide comprehensive coverage of mental disorders and conditions. For my second source, I used the article An exercise prescription primer for people with depression, written by Robert Stanton and Brenda M. Happell, and published in the journal Issues in Mental Health Nursing. I found this article by searching the Ebsco Academic Search Premier database, using the search terms ‘depression exercise’. The article is current because it was published in 2013. It is authoritative because the authors both have advanced degrees, and are on the staff of the Institute for Health and Social Science Research, Centre for Mental Health Nursing Innovation, School of Nursing and Midwifery, Central Queensland University, Rockhampton, Australia. The purpose of the article is to provide mental health nurses with suggestions for exercise plans to help treat people with depression. For my third source I used the article Depression and anxiety: Exercise eases symptoms, written by the Mayo Clinic staff and found on the Mayo Clinic website. I found this article by searching the Mayo Clinic website using the search terms ‘depression exercise’. The article is current because it was posted September 27, 2017 and is based on current studies. It is authoritative because the About Mayo Clinic link describes the Mayo Clinic as a nonprofit worldwide leader in medical care and in fact the Mayo Clinic is well known for the high level of medical care it provides. The purpose of the article is to encourage readers with depression to get started with, and keep up, an exercise program