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Nutrition Misinformation is Making Frontline Workers Overweight, Less Healthy

The central nervous system (CNS), the endocrine system and the immune system are complex and interconnected. Previous research suggested that stressful life events may negatively influence aspects of immune system function. Psychological stress may increase the production of pro-inflammatory cytokines that are related to a variety of age-related diseases. For instance, catecholamines (adrenaline and noradrenaline), adrenocorticotropic hormone, cortisol, growth hormone and prolactin are all correlated with distress and adverse emotions. Furthermore, age-related diseases may exacerbate the influence of stress or the effects of medical disabilities on elderly persons. ...

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... factors that can be modified to reduce psychological age. These factors include health status and disabilities, physical activity, longevity expectations, education, biomedical knowledge, work, environment, psychological support, social relationships, and personal beliefs.

Psychological aging, depression, and well-being

... the best health outcomes for seniors were in individuals with positive attitudes about aging combined with high conscientiousness scores.

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The most important finding that can be employed in our daily lives was that the optimistic attitude to life and personal well-being plays the most important role in prediction of both the psychological and subjective age.

Mind Over Body: Can We Control Psychological Aging?