The power of positive thinking (and what science says)

I''ve spent more than twenty years in advertising, a business where you hear "no" far more often than "yes". Clients who leave, campaigns that don''t take off, hurricanes, pandemics. If something has kept me standing, it isn''t luck: it''s a mental habit I practice every day. Positive thinking.

And before anyone rolls their eyes: I''m not talking about coffee-mug quotes or "good vibes". I''m talking about something science has studied rigorously for decades.

Positive thinking isn't ignoring the bad

Optimism isn''t denying problems. It''s the expectation that things can turn out well and that you have something to do with it. Martin Seligman, father of positive psychology, explains it through "explanatory style": pessimists see setbacks as permanent, personal and pervasive; optimists see them as temporary, specific and surmountable [1]. The best part of his work: optimism can be learned.

An open mind sees more exits

Psychologist Barbara Fredrickson proposed the broaden-and-build theory: positive emotions broaden our repertoire of thoughts and actions and, over time, build lasting resources like resilience, relationships and creativity [2]. Fear narrows your vision —useful for escaping a lion—; joy widens it —useful for inventing. You can see it clearly in any brainstorming room.

The body is listening too

• A Harvard and Boston University study of more than 70,000 people found the most optimistic had 11% to 15% longer lifespans and greater odds of reaching 85 [3].
• A Harvard review linked positive psychological well-being with lower cardiovascular risk [4].
• The famous "Nun Study": nuns who wrote with more positive emotion in their youthful journals lived, on average, about a decade longer [5].

How I practice it (without becoming unbearable)

• Three good things. Before bed I write down three things that went well and why. Seligman tested this exercise and found happiness gains that lasted months [6].
• I change the question. From "why is this happening to me?" to "what can I do with this?".
• I curate my environment. Less news on loop, more conversations with people who build.
• I celebrate the small stuff. At home with three kids, a breakfast without a war is a national victory.

The honest nuance

Toxic positivity exists: forcing a smile when you''re not okay doesn''t help. Hard emotions carry information too. The idea isn''t to paint everything pink, but not to move in and live in the gray. As we say in Puerto Rico: "pa''lante" —onward— but with your eyes open.

Positive thinking doesn't change the world in one shot. It changes you, and you change your little piece of the world.

References

1. Seligman, M. E. P. (1990). Learned Optimism. Knopf. Explanatory style and learned optimism.
2. Fredrickson, B. L. (2001). The role of positive emotions in positive psychology: The broaden-and-build theory. American Psychologist, 56(3), 218–226.
3. Lee, L. O., et al. (2019). Optimism is associated with exceptional longevity in 2 epidemiologic cohorts. PNAS, 116(37), 18357–18362.
4. Boehm, J. K., & Kubzansky, L. D. (2012). The heart's content. Psychological Bulletin, 138(4), 655–691.
5. Danner, D. D., Snowdon, D. A., & Friesen, W. V. (2001). Positive emotions in early life and longevity: Findings from the Nun Study. Journal of Personality and Social Psychology, 80(5), 804–813.
6. Seligman, M. E. P., et al. (2005). Positive psychology progress: Empirical validation of interventions. American Psychologist, 60(5), 410–421.