© Kevin Malik
May 14, 2026
Nils Behrens
Studies show: Optimistic people often live longer and healthier. Health expert Nils Behrens explains why mental attitude is an important longevity factor.
When it comes to healthy aging , biological factors often dominate: nutrition, exercise, sleep, or genetic predispositions. However, longevity research is increasingly discovering another dimension – the psychological attitude towards life and aging.
Several scientific studies show that people with an optimistic life perspective statistically have better aging and health outcomes than those with a more pessimistic outlook. Optimism thus appears not only to be an emotional state but a factor linked to health and life expectancy in the long term.
This insight fits into a holistic understanding of longevity: Healthy aging arises from the interplay of biological, social, and psychological factors.
A much-cited study by the Boston University School of Medicine analyzed data from several large cohort studies. The result: Particularly optimistic people live on average 11 to 15% longer and have a significantly higher likelihood of reaching an age over 85 years.
Another analysis the Women’s Health Initiative, which examined data from over 150,000 women aged 50 to 79 years reached a similar conclusion. Women with the highest optimism scores lived on average 5.4% longer, which is approximately 4.4 additional years of life corresponds.
Interestingly, the connection could only partially be explained by classic health factors. Only about 25% of the effect could be attributed to healthier lifestyle choices such as exercise or not smoking.
This suggests that optimism might also affect health through other mechanisms.
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Nils Behrens is the host of the health podcast HEALTHWISE and Strategic Brand Partner of Sunday Natural. Previously, he was the face of the Lanserhof Group as Chief Marketing Officer for over 12 years and host of the successful Forever Young podcast. In over 350 expert interviews, he explored ways to achieve a longer and fitter life.
Science discusses several possible explanations for why an optimistic attitude is associated with better aging.
1. Stress regulation
Optimistic people often experience or interpret stressful situations as less burdensome. Studies show that they are less likely to develop long-term negative emotions and are less affected by everyday stressors.
Since chronic stress is associated with numerous aging processes – such as inflammation, cardiovascular risks, or metabolic disorders – this stress reduction could play a central role.
2. Healthier behavior patterns
Optimistic people are more likely to invest in their future – for example, through exercise, prevention, or medical care. These behaviors have a long-term impact on disease risks.
3. Psychological resilience
Research in stress and health psychology shows that positive expectations can be closely linked to physiological adaptation mechanisms. Optimistic people seem Stress faster to process and sometimes show more favorable immunological reactions in studies.
Another important aspect is the personal attitude toward one's own aging. Studies in gerontology show that people with positive self-images of aging live longer than those with strongly negative aging stereotypes.
Those who associate aging primarily with loss, illness, or dependency often unconsciously adopt these expectations into their own behavior. Conversely, a positive image of aging can create motivation to remain active and healthy.
This effect is also known as the “self-fulfilling prophecy” of aging described: Expectations influence behavior – and behavior, in turn, influences health.
Modern longevity medicine often focuses on biomarkers, supplements or new therapies. But research increasingly shows: Mental factors are also part of the overall picture of a long, healthy life.
Optimism alone does not replace a healthy lifestyle. But it can be a supportive factor that reduces stress, promotes healthy behavior, and strengthens resilience.
For a sustainable longevity strategy, this means: In addition to exercise, nutrition, and medical prevention, the psychological dimension should also be considered.
Because healthy aging Innovation is not only created in the lab - but also in the way people think about their future.
You can find all articles by Nils Behrens on premiummedicalcircle.com here!
