Optimism Is Not Denial - It Is a Health Skill

We often talk about optimism as though it were a personality quirk - something airy, fixed, and faintly embarrassing. In medicine, it can sound even more suspect. We do not want platitudes. We do not want to minimise suffering. And nobody with a real illness needs to be told to simply “think positive”.

But that caricature misses something important.

At its best, optimism is not denial. It is not pretending everything will be fine. It is not forced cheerfulness, and it is not toxic positivity. Properly understood, optimism is the ability to face difficulty clearly while still believing that action, adaptation, support, or meaning remain possible.

That is not fluff. It is a health skill.

What Is It

I think of optimism less as a mood and more as a stance towards uncertainty.

It says: this is hard, and I may not control the outcome fully, but my response still matters.

That matters because the opposite stance - helplessness - changes behaviour very quickly. When people feel that nothing they do will help, they tend to move less, withdraw more, delay appointments, stop asking questions, and give up on small habits that would otherwise support recovery.

So optimism is not about pretending. It is about staying in the game.

Why It Matters

This matters in modern Britain because more people are living longer with ongoing, layered health problems. In England, a whole-population study of more than 60 million people registered with general practice found that 14.8% were living with two or more long-term conditions in 2020. NHS England describes supported self-management as building the knowledge, skills and confidence people need to manage their own health and care. That only works when people can still believe that their actions are worth taking. (PMC)

In other words, optimism is not a luxury extra. In a health system that increasingly depends on self-management, rehabilitation, prevention, and personalised care, it becomes part of the machinery of better health.

The Science Explained Simply

The evidence here is stronger than many people realise. Across large meta-analyses and long-term cohort studies, higher optimism has been linked with fewer cardiovascular events, lower all-cause mortality, and longer lifespan. A 2019 meta-analysis covering 229,391 people found optimism was associated with lower risk of cardiovascular events and all-cause mortality, with a pooled association similar to other well-established cardiac risk factors. A later meta-analysis reached a similar conclusion. In separate long-term cohorts, higher optimism was associated with 11 to 15% longer lifespan on average and greater odds of surviving to 85 or beyond. (JAMA Network)

Other prospective data have linked optimism with lower mortality from heart disease, stroke, respiratory disease, infection, and cancer. In older women, higher optimism was also associated with a lower risk of developing depression over a decade of follow-up. (PMC)

Optimism also seems to matter during recovery, not only prevention. In studies of people undergoing coronary artery bypass graft surgery, higher optimism before surgery predicted less pain, fewer physical symptoms, better quality of life, and lower rehospitalisation. A 2022 systematic review reached a similar overall conclusion, while also noting that some effects weakened after fuller statistical adjustment. That is an important reminder not to overclaim. (PubMed)

This does not prove that optimism alone causes better health. Most of these findings are observational, and health is never explained by a single factor. But the association is consistent, repeated, and biologically plausible. The American Heart Association and the JACC Health Promotion Series both describe credible behavioural, biological, and psychosocial pathways linking positive psychological wellbeing, including optimism, with cardiovascular health. Those pathways include healthier behaviour, better stress regulation, and stronger social and coping resources. (AHA Journals)

What This Means for You

The practical point is simple.

When people believe their efforts still matter, they are more likely to do the ordinary things that protect health - take medication, attend rehab, go for the walk, ask for help, keep the follow-up, try again after a setback, and stay connected to other people.

That is one reason optimism matters so much in midlife. Midlife is often where uncertainty becomes more visible. Energy changes. Recovery takes longer. Parents age. Work becomes heavier. Symptoms that were once occasional become persistent. You may not get a neat fix. But you may still have room to improve function, reduce risk, protect mood, and build a better next chapter.

That is where realistic optimism earns its place.

Common Myths or Questions

Is this just toxic positivity?
No. Toxic positivity denies pain. Wise optimism makes room for pain and possibility at the same time.

Does optimism mean expecting a cure?
No. Sometimes optimism means hoping for cure. Often it means hoping for better control, better function, better support, or a more meaningful life within real limits.

What if I am not naturally optimistic?
That may be the most encouraging part of this field. Optimism does not appear to be completely fixed. It looks, at least in part, like something people can strengthen.

One of the best-studied approaches is the Best Possible Self exercise. In the 2019 meta-analysis of 29 studies involving 2,909 participants, this intervention improved optimism and wellbeing. Later work suggests that writing-only, imagery-only, and combined online versions can all help. A two-week daily practice has been shown to increase optimism beyond a short-lived mood lift, and a 2025 study suggests the exercise may shift expectancies in ways that may also help anxiety symptoms. (PLOS)

That matters because it suggests optimism is not merely a personality label. It may also be a trainable mental habit.

Practical Action Steps

You do not need forced positivity. You do not need to smile your way through difficulty. A better approach is quieter and more practical.

1. Name the hard thing honestly
Start with truth. “This is hard” is often a healthier sentence than “I’m fine”.

2. Catch the leap from uncertainty to catastrophe
Notice when your mind turns “I don’t know” into “It will definitely go badly”.

3. Ask a better question
Instead of “How do I make this perfect?”, try “What is the next helpful step from here?”

4. Practise Best Possible Self
Spend five minutes a day for two weeks writing or imagining a realistic best future version of yourself - healthier, steadier, more connected, or more capable - after sustained effort and support. The aim is not fantasy. It is rehearsal of possibility. (PLOS)

5. Borrow hope when your own is thin
Sometimes optimism starts socially. A clinician, friend, partner, coach, or community can hold a more hopeful perspective until you can hold it yourself.

6. Measure effort, not only outcome
Better health often arrives through trajectory, not drama. Small repeated actions count.

Bigger Picture

In the NHS and integrated care world, we often talk about prevention, self-management, personalised care, and reducing avoidable deterioration. Those are not only structural goals. They are also psychological ones.

People engage more effectively when they feel some agency. Not total control. Not blame. Not fantasy. Agency.

That is why optimism belongs in serious healthcare conversations. Not as a slogan, and not as a moral judgement, but as a practical capacity that helps people keep participating in their own lives and health, even when life is difficult.

Perhaps that is the best definition of optimism after all.

It is not expecting life to be easy.

It is trusting that your efforts still matter in an uncertain world.

FAQ

Q: Is optimism the same as toxic positivity?
A: No. Toxic positivity denies pain. Realistic optimism allows difficulty while still believing that action and support may help.

Q: Can optimism really affect physical health?
A: Research links optimism with better cardiovascular outcomes, recovery, and longer life, although it is not a magic fix and does not work in isolation. (JAMA Network)

Q: Is optimism something people are born with?
A: Not entirely. Evidence suggests optimism can be strengthened through practice, including exercises such as Best Possible Self. (PLOS)

Q: What is realistic optimism?
A: It is the ability to face reality honestly while still believing your response matters.

Q: What is one practical way to build optimism?
A: Spend five minutes a day imagining and writing about your best possible future after sustained effort and support.

References

1. Levine GN, Cohen BE, Commodore-Mensah Y, et al. Psychological Health, Well-Being, and the Mind-Heart-Body Connection: A Scientific Statement From the American Heart Association. Circulation. 2021.

2. Rozanski A, Bavishi C, Kubzansky LD, Cohen R. Association of Optimism With Cardiovascular Events and All-Cause Mortality: A Systematic Review and Meta-analysis. JAMA Network Open. 2019.

3. Krittanawong C, Maitra NS, Hassan Virk HU, et al. Association of Optimism With Cardiovascular Events and All-Cause Mortality: Systematic Review and Meta-Analysis. The American Journal of Medicine. 2022.

4. Lee LO, James P, Zevon ES, et al. Optimism Is Associated With Exceptional Longevity in 2 Epidemiologic Cohorts of Men and Women. PNAS. 2019.

5. Kim ES, Hagan KA, Grodstein F, et al. Optimism and Cause-Specific Mortality: A Prospective Cohort Study. American Journal of Epidemiology. 2017.

6. Weitzer J, Trudel-Fitzgerald C, Okereke OI, et al. Dispositional Optimism and Depression Risk in Older Women in the Nurses’ Health Study. European Journal of Epidemiology. 2022.

7. Arsyi DH, Permana PBD, Karim RI, Abdurachman. The Role of Optimism in Manifesting Recovery Outcomes After Coronary Artery Bypass Graft Surgery: A Systematic Review. Journal of Psychosomatic Research. 2022.

8. Ronaldson A, Poole L, Kidd T, et al. Optimism Measured Pre-Operatively Is Associated With Reduced Pain Intensity and Physical Symptom Reporting After Coronary Artery Bypass Graft Surgery. Journal of Psychosomatic Research. 2014.

9. Carrillo A, Rubio-Aparicio M, Molinari G, et al. Effects of the Best Possible Self Intervention: A Systematic Review and Meta-Analysis. PLOS One. 2019.

10. Meevissen YMC, Peters ML, Alberts HJEM. Become More Optimistic by Imagining a Best Possible Self: Effects of a Two Week Intervention. Journal of Behavior Therapy and Experimental Psychiatry. 2011.

11. Boselie JJLM, Vancleef LMG, van Hooren S, Peters ML. The Effectiveness and Equivalence of Different Versions of a Brief Online Best Possible Self Manipulation to Temporary Increase Optimism and Affect. Journal of Behavior Therapy and Experimental Psychiatry. 2023.

12. Booth RW, Erhan K, Erkocaoğlan O, Kuşpınar H, Yaldırak K. The Best Possible Self Task Has Direct Effects on Expectancies and Mood, and an Indirect Effect on Anxiety Symptom Severity. Emotion. 2025.