Positive psychology: an article written by Barbara L. Fredrickson (2003) who is the
director of the Positive Emotions and Psychophysiology Laboratory at the University of
Michigan reviews the value of positive emotions and the understanding of why it is good to feel good. This article is based on the branch of positive psychology, a field of psychological sciences founded by Martin E. P. Seligman who at the time was president of the American Psychological Association.
In This article Fredrickson (2003) introduces the review of journal entries written by
nuns sixty years prior and the discovery that the nuns who had more positive expressions lived up to 10 years longer than the nuns who didn’t. Fredrickson (2003) then attempts to explain through her experiments why positive emotions and expressions help people to live longer and why feeling good matters.

A vital component to her theory is the study of positive emotions rather…