The hidden power of smiling | Ron Gutman
Why the open web links it
Explores how smiling affects health and longevity based on scientific studies.
Linked by 47 independent sites, 2 of them widely read in the 2026-10 crawl of the open web, including wikipedia.org, pressbooks.pub, upworthy.com, marriage.com, audencia.com.
Cited in 1 Wikipedia article, including Optimism.