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Do Extroverts Manage Stress Better?

The modern world favors extroverts but this cannot always have been true.

Our society favors extroverts as the outgoing individuals who discover continents and sell stuff. Introverts are seen as relatively confined in their own inner world, making them potentially vulnerable to internally generated fears and anxieties.

Whether extroverts really are better at handling stress than introverts depends on two interrelated questions. First, are there genuine differences in how introverts and extroverts handle stress? If so, is the extrovert method more effective? One obvious place to start is with the social approach to handling anxiety.

Sharing Troubles

Extroverts are more social and more communicative. This means that they air their grievances rather than letting them fester.

People who let off steam in this way probably suffer less from intense anger and hostility that predicts anxiety-related illnesses including hypertension and heart disease. Admittedly, airing of grievances has a downside because it can aggravate conflicts. Yet, extroverts have better social networks and enjoy better social support from local communities, electronic networks, religious communities, and other organizations that are widely believed to protect health against the ravages of psychological stress.

Introverts and extroverts experience the world – and experience anxiety – in markedly different ways.


Extroverts are said to be stimulus hungry. It is as though their brains are not receiving enough stimulation to keep them alert. That is why they are outgoing and why they are motivated to seek stimulation by cultivating interesting activities and seeking out companionship. So an extroverted student might choose to study in a restaurant surrounded by other people and the din of human activities.

Introverts, on the other hand, behave as though they were over-stimulated. They prefer to study in quiet places where they can devote their undivided attention to the task at hand.

If extroverts are chronically under stimulated and therefore vulnerable to boredom, introverts are over stimulated and more vulnerable to anxiety.

Being more a prey to anxiety has many adverse consequences for health. To begin with, introverts are more prone to suicidal ideation (1) and may therefore be more likely to take their own lives – an action that can be interpreted as retreat from overwhelming over stimulation.

Depression and Heart Disease

Because they are more vulnerable to anxiety, introverts are at greater risk of clinical depression. At least one study with a small sample found that members of the clinically depressed population are more likely to be introverts (1).

Depression is biochemically linked to heart disease. Both show the same markers of inflammation (C-reactive proteins, 2). Introverts have less robust immune systems that could account for connections between introversion and both depression and heart disease (3). If introverts are more likely to bottle up hostility than extroverts, this would also make them more vulnerable to heart disease.

Evolution and Personality

The persistence of personality differences across populations implies that whatever the apparent health advantages enjoyed by extroverts in modern environments, human populations must have encountered environments in which introverts did better. Otherwise this personality polymorphism could not persist. Introversion would be removed by natural selection.

Evolutionary psychologists speculate that extroverts do better during periods of rapid change, such as that associated with changing rainfall, or glaciation. During periods of little change, extraverts would suffer from feelings of boredom and anxiety and they would be the ones with the health problems. Extroverts also have a likely advantage in attracting mates.

If that reasoning is correct, then extroverts enjoy health advantages today only because we live in a period of rapid change, climatic, technological, and social. In the relative monotone of much of human prehistory, introverts would have been happier and healthier.


1 Janowsky, D. S., Morter, S., and Hong, L. (2002). Relationship of Myers-Brigg type indicator personality characteristics to suicidality in affective disorder patients. Journal of Psychiatric Research, 36, 33-39.

2 Howren, M., Bryant, M. A., Lamkin, D. M, and Suls, J. (2009). Associations of depression with C-reactive protein, IL-1, and IL-6: A meta-analysis. Psychosomatic Medicine, 71, 171-186.

3 Vedhara, K., et al. (2015). Personality and gene expression. Psychoneuroendocrinology, 52, 72-82.

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