{{cquote|A meta-analysis of all studies, both published and unpublished, relating to religious involvement and longevity was carried out in 2000. Forty-two studies were included, involving some 126,000 subjects. Active religious involvement increased the chance of living longer by some 29%, and participation in public religious practices, such as church attendance, increased the chance of living longer by 43%.<ref>Multiple references:
{{cquote|A meta-analysis of all studies, both published and unpublished, relating to religious involvement and longevity was carried out in 2000. Forty-two studies were included, involving some 126,000 subjects. Active religious involvement increased the chance of living longer by some 29%, and participation in public religious practices, such as church attendance, increased the chance of living longer by 43%.<ref>Multiple references:
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*Casey, Professor Patricia (April 3, 2009). [http://www.ionainstitute.ie/pdfs/Religion-Exec_summary.pdf "The psycho-social benefits of religious practise" [executive summary]]. Iona Institute for Religion and Society [Ireland] website.
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*Casey, Professor Patricia (April 3, 2009). [http://www.ionainstitute.ie/the-benefits-of-religious-practise/ "The psycho-social benefits of religious practise" [executive summary]]. Iona Institute for Religion and Society [Ireland] website.
*McCullough, Michael E. et al. (2000). [http://www.psy.miami.edu/faculty/mmccullough/Papers/rel_mort_meta.pdf "Religious involvement and mortality: a meta-analytic review"]. ''Health Psychology''. vol. 19:3. pp. 211-222. University of Miami, College of Arts and Sciences, Department of Psychology website</ref>}}
*McCullough, Michael E. et al. (2000). [http://www.psy.miami.edu/faculty/mmccullough/Papers/rel_mort_meta.pdf "Religious involvement and mortality: a meta-analytic review"]. ''Health Psychology''. vol. 19:3. pp. 211-222. University of Miami, College of Arts and Sciences, Department of Psychology website</ref>}}