Connection Magic: Social Support Boosts Longevity

In a nutshell

  1. Social connections are crucial for promoting health and longevity.
  2. The benefits of social support include reduced stress and inflammation, reduced risk of cardiovascular diseases and mental illnesses, and improved cognitive functions.
  3. From a longevity perspective, the quality of social connections is much more important than quantity.

Friends matter more than you might think! Having strong social support and being socially integrated can add years to your life, and it’s a secret ingredient for a healthy, happy existence. In this article, we’ll dive into the fascinating science behind the link between strong social connections and increased longevity.

The science behind social support

Numerous studies show that having strong social ties helps you live longer and enjoy better health. In a groundbreaking study, the research group from Brigham Young University found that people with strong social relationships had a 50% increased likelihood of survival compared to those with weaker connections.1 Holt-Lunstad J, Smith TB, Layton JB. Social relationships and mortality risk: a meta-analytic review. PLoS Med. 2010 Jul 27;7(7):e1000316. doi: 10.1371/journal.pmed.1000316. PMID: 20668659; PMCID: PMC2910600. PubMed Source This effect was consistent across age, sex, and health status. Strong social ties are as important for your well-being as quitting smoking or maintaining a healthy weight. Similar striking results were found later in a recent meta-analysis study. 2 Vila J. Social Support and Longevity: Meta-Analysis-Based Evidence and Psychobiological Mechanisms. Front Psychol. 2021 Sep 13;12:717164. doi: 10.3389/fpsyg.2021.717164. PMID: 34589025; PMCID: PMC8473615. PubMed Source

Even just feeling lonely can affect your health too. Studies show that people who feel lonely have a 29% higher chance of getting heart disease and a 32% higher chance of having a stroke.3 Valtorta NK, Kanaan M, Gilbody S, Ronzi S, Hanratty B. Loneliness and social isolation as risk factors for coronary heart disease and stroke: systematic review and meta-analysis of longitudinal observational studies. Heart. 2016 Jul 1;102(13):1009-16. doi: 10.1136/heartjnl-2015-308790. Epub 2016 Apr 18. PMID: 27091846; PMCID: PMC4941172. PubMed Source

Another study4 Kreibig SD, Whooley MA, Gross JJ. Social integration and mortality in patients with coronary heart disease: findings from the Heart and Soul Study. Psychosom Med. 2014 Oct;76(8):659-68. doi: 10.1097/PSY.0000000000000100. PMID: 25264970; PMCID: PMC4197069. PubMed Source found that those with a pre-existing heart condition are at a 60% higher risk of dying if they are socially isolated compared to socially integrated peers.

So, what are the underlying mechanisms of social support that play a protective role and promote longevity? To understand this let’s have a look at possible biological explanations behind the negative effects of social isolation.

Possible biological explanations

Social isolation can harm your health in several ways, leading to a shorter life. Here are some simple ways to understand these links:

  1. Stress and inflammation. Social isolation can increase your stress levels, which in turn can lead to chronic inflammation.5 Kiecolt-Glaser JK, McGuire L, Robles TF, Glaser R. Emotions, morbidity, and mortality: new perspectives from psychoneuroimmunology. Annu Rev Psychol. 2002;53:83-107. doi: 10.1146/annurev.psych.53.100901.135217. PMID: 11752480. PubMed Source This ongoing inflammation has been associated with a variety of age-related diseases and a shorter lifespan.
  2. Immune system. Loneliness and social isolation can impact your immune system, making it less effective at fighting off infections and diseases. Studies have shown that socially isolated individuals have weaker immune responses to viruses and bacteria.6 Cohen S, Doyle WJ, Skoner DP, Rabin BS, Gwaltney JM Jr. Social ties and susceptibility to the common cold. JAMA. 1997 Jun 25;277(24):1940-4. PMID: 9200634. PubMed Source
  3. Heart health. Social isolation has been linked to an increased risk of heart disease and stroke. As mentioned earlier, even perceived loneliness has been associated higher risk of heart disease and stroke.7 Valtorta NK, Kanaan M, Gilbody S, Ronzi S, Hanratty B. Loneliness and social isolation as risk factors for coronary heart disease and stroke: systematic review and meta-analysis of longitudinal observational studies. Heart. 2016 Jul 1;102(13):1009-16. doi: 10.1136/heartjnl-2015-308790. Epub 2016 Apr 18. PMID: 27091846; PMCID: PMC4941172. PubMed Source
  4. Hormonal imbalances. Social isolation can disrupt the balance of hormones in your body, including cortisol (the stress hormone) and oxytocin (the bonding hormone). This hormonal imbalance can contribute to various health problems and a shorter lifespan.8 Cacioppo JT, Cacioppo S, Capitanio JP, Cole SW. The neuroendocrinology of social isolation. Annu Rev Psychol. 2015 Jan 3;66:733-67. doi: 10.1146/annurev-psych-010814-015240. Epub 2014 Aug 22. PMID: 25148851; PMCID: PMC5130104. PubMed Source If you’re interested in finding out how to better balance your hormones by boosting your emotional well-being, we’ve put together a brief summary with key points on this subject.

Social support boosts cognitive health

Social connections keep your mind sharp. They help prevent memory loss and dementia as you age. Engaging in social activities can stimulate your brain and improve cognitive function, which is crucial for maintaining good brain health.

This becomes especially important during aging. One study found that being socially active could reduce the risk of dementia and Alzheimer’s disease. Participants who frequently interacted with friends and family had a lower risk of cognitive decline compared to those who were socially isolated.9Fratiglioni L, Paillard-Borg S, Winblad B. An active and socially integrated lifestyle in late life might protect against dementia. Lancet Neurol. 2004 Jun;3(6):343-53. doi: 10.1016/S1474-4422(04)00767-7. PMID: 15157849. PubMed Source Moreover, being socially active also reduces the slope of social decline in older age. It is shown that seniors who are socially engaged and frequently participate in social activities have a slower rate of cognitive decline compared to more isolated peers.10 James BD, Wilson RS, Barnes LL, Bennett DA. Late-life social activity and cognitive decline in old age. J Int Neuropsychol Soc. 2011 Nov;17(6):998-1005. doi: 10.1017/S1355617711000531. PMID: 22040898; PMCID: PMC3206295. PubMed Source

Thus, engaging in social activities can stimulate your brain and improve cognitive function, which is crucial for maintaining good brain health.

Social support for mental health

Social support plays a critical role in maintaining good mental health. Strong connections with friends, family, and community members can help reduce stress and protect you against the most common mental illnesses, such as depression and anxiety.

Studies have shown that people with strong social ties are less likely to experience depression than those with weak or no social connections.11 Teo AR, Choi H, Valenstein M. Social relationships and depression: ten-year follow-up from a nationally representative study. PLoS One. 2013 Apr 30;8(4):e62396. doi: 10.1371/journal.pone.0062396. PMID: 23646128; PMCID: PMC3640036. PubMed Source This is because social integration provides emotional support and a sense of belonging.

The same is true for anxiety. Research has found that individuals with strong social networks experience less anxiety and are better able to manage stress than those who are socially isolated.12 Kawachi I, Berkman LF. Social ties and mental health. J Urban Health. 2001 Sep;78(3):458-67. doi: 10.1093/jurban/78.3.458. PMID: 11564849; PMCID: PMC3455910. PubMed Source

Moreover, having strong social connections can contribute to a higher quality of life and overall well-being. Socially connected individuals report higher levels of happiness, life satisfaction, and self-esteem than those who are isolated.13 Diener, E., & Seligman, M. E. P. (2002). Very Happy People. Psychological Science13(1), 81–84. https://doi.org/10.1111/1467-9280.00415 Source

Quality over quantity

However, it’s not just about having lots of friends. Close, meaningful relationships are key. They make your life richer and help you live longer. Research has shown that the quality of your relationships matters more than the number of friends you have.

For example, one study from UCLA found that people who had close social ties with others experienced better mental and physical health than those with a large number of weaker connections.14 Seeman TE. Health promoting effects of friends and family on health outcomes in older adults. Am J Health Promot. 2000 Jul-Aug;14(6):362-70. doi: 10.4278/0890-1171-14.6.362. PMID: 11067571. PubMed Source This indicates that having a few strong, supportive relationships can be more beneficial than knowing many people without a deep connection.

Another study showed that people who were socially isolated but had a small number of high-quality relationships had lower mortality rates than those with many weak social ties.15 Kawachi I, Berkman LF. Social ties and mental health. J Urban Health. 2001 Sep;78(3):458-67. doi: 10.1093/jurban/78.3.458. PMID: 11564849; PMCID: PMC3455910. PubMed Source This suggests that investing time and energy in nurturing a few strong relationships can lead to a longer, healthier life.

Examples from “Blue Zones”

The “Blue Zones” are areas around the world where people live much longer and healthier lives than average. These regions include Okinawa, Japan; Sardinia, Italy; Nicoya, Costa Rica; Ikaria, Greece; and Loma Linda, California. One of the key factors contributing to the longevity of people living in these areas is their strong social connections.

For example, in Okinawa, the concept of “moai” plays a significant role in the lives of the locals. Moai refers to a group of five lifelong friends who support each other emotionally and financially throughout their lives. This strong social bond has been linked to lower stress levels and increased happiness, which can contribute to their exceptional longevity.16 Willcox BJ, Willcox DC, Todoriki H, Fujiyoshi A, Yano K, He Q, Curb JD, Suzuki M. Caloric restriction, the traditional Okinawan diet, and healthy aging: the diet of the world’s longest-lived people and its potential impact on morbidity and life span. Ann N Y Acad Sci. 2007 Oct;1114:434-55. doi: 10.1196/annals.1396.037. PMID: 17986602. PubMed Source

Another example is Nicoya, where social connections are vital for the well-being of older adults. The strong sense of community and social support contribute to their longevity. Research shows that older adults in Nicoya who have close-knit social networks have a lower risk of mortality than those without strong social ties.17 Rosero-Bixby L, Dow WH. Surprising SES Gradients in mortality, health, and biomarkers in a Latin American population of adults. J Gerontol B Psychol Sci Soc Sci. 2009 Jan;64(1):105-17. doi: 10.1093/geronb/gbn004. Epub 2009 Feb 4. PMID: 19196695; PMCID: PMC2654981. PubMed Source

The Blue Zones offer valuable lessons on the importance of strong social connections for longevity. The close-knit communities, lifelong friendships, and supportive family bonds found in these regions contribute significantly to the health and well-being of their residents, helping them live longer and happier lives.



Recap and final thoughts

Social connections play a vital role in promoting health and longevity. From reducing stress and inflammation to boosting brain health and mental well-being, strong relationships can have a profound impact on our lives.

It’s essential to prioritize quality over quantity, focusing on building deep, meaningful connections with friends and family members. The lessons we can learn from the Blue Zones and centenarians show us the undeniable power of social support in achieving a longer, healthier, and happier life.

Would you be interested in discovering some effective techniques to enrich your social life? Check out our guide, “6 Practical Tips on How to Improve Your Social Life,” and start experiencing the benefits of socializing today!


References

  • 1
    Holt-Lunstad J, Smith TB, Layton JB. Social relationships and mortality risk: a meta-analytic review. PLoS Med. 2010 Jul 27;7(7):e1000316. doi: 10.1371/journal.pmed.1000316. PMID: 20668659; PMCID: PMC2910600. PubMed Source
  • 2
    Vila J. Social Support and Longevity: Meta-Analysis-Based Evidence and Psychobiological Mechanisms. Front Psychol. 2021 Sep 13;12:717164. doi: 10.3389/fpsyg.2021.717164. PMID: 34589025; PMCID: PMC8473615. PubMed Source
  • 3
    Valtorta NK, Kanaan M, Gilbody S, Ronzi S, Hanratty B. Loneliness and social isolation as risk factors for coronary heart disease and stroke: systematic review and meta-analysis of longitudinal observational studies. Heart. 2016 Jul 1;102(13):1009-16. doi: 10.1136/heartjnl-2015-308790. Epub 2016 Apr 18. PMID: 27091846; PMCID: PMC4941172. PubMed Source
  • 4
    Kreibig SD, Whooley MA, Gross JJ. Social integration and mortality in patients with coronary heart disease: findings from the Heart and Soul Study. Psychosom Med. 2014 Oct;76(8):659-68. doi: 10.1097/PSY.0000000000000100. PMID: 25264970; PMCID: PMC4197069. PubMed Source
  • 5
    Kiecolt-Glaser JK, McGuire L, Robles TF, Glaser R. Emotions, morbidity, and mortality: new perspectives from psychoneuroimmunology. Annu Rev Psychol. 2002;53:83-107. doi: 10.1146/annurev.psych.53.100901.135217. PMID: 11752480. PubMed Source
  • 6
    Cohen S, Doyle WJ, Skoner DP, Rabin BS, Gwaltney JM Jr. Social ties and susceptibility to the common cold. JAMA. 1997 Jun 25;277(24):1940-4. PMID: 9200634. PubMed Source
  • 7
    Valtorta NK, Kanaan M, Gilbody S, Ronzi S, Hanratty B. Loneliness and social isolation as risk factors for coronary heart disease and stroke: systematic review and meta-analysis of longitudinal observational studies. Heart. 2016 Jul 1;102(13):1009-16. doi: 10.1136/heartjnl-2015-308790. Epub 2016 Apr 18. PMID: 27091846; PMCID: PMC4941172. PubMed Source
  • 8
    Cacioppo JT, Cacioppo S, Capitanio JP, Cole SW. The neuroendocrinology of social isolation. Annu Rev Psychol. 2015 Jan 3;66:733-67. doi: 10.1146/annurev-psych-010814-015240. Epub 2014 Aug 22. PMID: 25148851; PMCID: PMC5130104. PubMed Source
  • 9
    Fratiglioni L, Paillard-Borg S, Winblad B. An active and socially integrated lifestyle in late life might protect against dementia. Lancet Neurol. 2004 Jun;3(6):343-53. doi: 10.1016/S1474-4422(04)00767-7. PMID: 15157849. PubMed Source
  • 10
    James BD, Wilson RS, Barnes LL, Bennett DA. Late-life social activity and cognitive decline in old age. J Int Neuropsychol Soc. 2011 Nov;17(6):998-1005. doi: 10.1017/S1355617711000531. PMID: 22040898; PMCID: PMC3206295. PubMed Source
  • 11
    Teo AR, Choi H, Valenstein M. Social relationships and depression: ten-year follow-up from a nationally representative study. PLoS One. 2013 Apr 30;8(4):e62396. doi: 10.1371/journal.pone.0062396. PMID: 23646128; PMCID: PMC3640036. PubMed Source
  • 12
    Kawachi I, Berkman LF. Social ties and mental health. J Urban Health. 2001 Sep;78(3):458-67. doi: 10.1093/jurban/78.3.458. PMID: 11564849; PMCID: PMC3455910. PubMed Source
  • 13
    Diener, E., & Seligman, M. E. P. (2002). Very Happy People. Psychological Science13(1), 81–84. https://doi.org/10.1111/1467-9280.00415 Source
  • 14
    Seeman TE. Health promoting effects of friends and family on health outcomes in older adults. Am J Health Promot. 2000 Jul-Aug;14(6):362-70. doi: 10.4278/0890-1171-14.6.362. PMID: 11067571. PubMed Source
  • 15
    Kawachi I, Berkman LF. Social ties and mental health. J Urban Health. 2001 Sep;78(3):458-67. doi: 10.1093/jurban/78.3.458. PMID: 11564849; PMCID: PMC3455910. PubMed Source
  • 16
    Willcox BJ, Willcox DC, Todoriki H, Fujiyoshi A, Yano K, He Q, Curb JD, Suzuki M. Caloric restriction, the traditional Okinawan diet, and healthy aging: the diet of the world’s longest-lived people and its potential impact on morbidity and life span. Ann N Y Acad Sci. 2007 Oct;1114:434-55. doi: 10.1196/annals.1396.037. PMID: 17986602. PubMed Source
  • 17
    Rosero-Bixby L, Dow WH. Surprising SES Gradients in mortality, health, and biomarkers in a Latin American population of adults. J Gerontol B Psychol Sci Soc Sci. 2009 Jan;64(1):105-17. doi: 10.1093/geronb/gbn004. Epub 2009 Feb 4. PMID: 19196695; PMCID: PMC2654981. PubMed Source
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