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pubmed.ncbi.nlm.nih.gov
Huseyin Naci; John P. A. Ioannidis (June 11, 2015). "Evaluation of Wellness Determinants and Interventions by Citizen Scientists". JAMA. 314 (2): 121–2. PMID26068643. डीओआइ:10.1001/jama.2015.6160.
scientificamerican.com
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Kaufman, Scott Barry. "The Differences between Happiness and Meaning in Life". Scientific American Blog Network. A wealth of research in positive psychology suggests that happiness and meaning are, in fact, essential elements of well-being.