﻿
﻿ • Loneliness affects 19 to 43 per cent of adults who are now past 60 years of age.﻿﻿﻿ • Just as physical pain is a warning from the body telling us to take appropriate action, our feeling of being lonely and disconnected is a social pain, a signal that we need to take care of ourselves by the means of companionship.﻿﻿﻿ • Loneliness, if prolonged, is also associated with heart disease, strokes and other lifestyle diseases.﻿
﻿ ﻿ ﻿

Loneliness Is A Kind Of Pain 

<img src="https://imgix.bustle.com/uploads/getty/2020/8/8/cd5c0935-647b-414c-a23f-ff33fb1e6afb-getty-1263471853.jpg?w=350&amp;h=298&amp;fit=crop&amp;crop=faces&amp;auto=format%2Ccompress&amp;duotone=101a1a%2C635c5e" srcset="https://imgix.bustle.com/uploads/getty/2020/8/8/cd5c0935-647b-414c-a23f-ff33fb1e6afb-getty-1263471853.jpg?w=350&amp;h=298&amp;fit=crop&amp;crop=faces&amp;auto=format%2Ccompress&amp;duotone=101a1a%2C635c5e 350w, https://imgix.bustle.com/uploads/getty/2020/8/8/cd5c0935-647b-414c-a23f-ff33fb1e6afb-getty-1263471853.jpg?w=350&amp;h=298&amp;fit=crop&amp;crop=faces&amp;auto=format%2Ccompress&amp;q=50&amp;duotone=101a1a%2C635c5e&amp;dpr=2 700w, https://imgix.bustle.com/uploads/getty/2020/8/8/cd5c0935-647b-414c-a23f-ff33fb1e6afb-getty-1263471853.jpg?w=1040&amp;h=500&amp;fit=crop&amp;crop=faces&amp;auto=format%2Ccompress&amp;duotone=101a1a%2C635c5e 1040w, https://imgix.bustle.com/uploads/getty/2020/8/8/cd5c0935-647b-414c-a23f-ff33fb1e6afb-getty-1263471853.jpg?w=1040&amp;h=500&amp;fit=crop&amp;crop=faces&amp;auto=format%2Ccompress&amp;q=50&amp;duotone=101a1a%2C635c5e&amp;dpr=2 2080w" alt="" width="489" height="528">Feeling lonely is the social equivalent to feeling physical pain.<img alt="" src="https://imgix.bustle.com/uploads/image/2020/7/8/701958be-bb84-4925-a3b3-9413a02a3f76-logo-en-d7023135a67823619bfdbf3322b68dc4_black.png?w=200&amp;h=32&amp;fit=max&amp;auto=format%2Ccompress" srcset="https://imgix.bustle.com/uploads/image/2020/7/8/701958be-bb84-4925-a3b3-9413a02a3f76-logo-en-d7023135a67823619bfdbf3322b68dc4_black.png?w=200&amp;h=32&amp;fit=max&amp;auto=format%2Ccompress 200w, https://imgix.bustle.com/uploads/image/2020/7/8/701958be-bb84-4925-a3b3-9413a02a3f76-logo-en-d7023135a67823619bfdbf3322b68dc4_black.png?w=200&amp;h=32&amp;fit=max&amp;auto=format%2Ccompress&amp;q=50&amp;dpr=2 400w" width="200" height="23"><div>mikroman6/Moment/Getty Images</div><div dir="ltr">Karra Harrington and Martin J. Sliwinski</div><div><time datetime="2020-08-09T02:00:25.695Z">8.9.2020 2:00 AM</time></div>Physical pain is unpleasant, yet it’s vital for survival because it’s a warning that your body is in danger. It tells you to take your hand off a hot burner or to see a doctor about discomfort in your chest. Pain reminds us all that we need to take care of ourselves.Feeling lonely is the social equivalent to feeling physical pain. It even triggers the same pathways in the brain that are involved in processing <a href="https://doi.org/10.2217/pmt.15.56" rel="noreferrer" dir="ltr">emotional responses to physical pain</a>.Just like feeling physical pain, feeling lonely and disconnected from others is also a signal that we need to take care of ourselves by seeking the safety and comfort of companionship. But what happens when we are unable to find companionship and the loneliness persists?As <a href="https://scholar.google.com/citations?user=00f7MKUAAAAJ&amp;hl=en" rel="noreferrer" dir="ltr">scholars</a> at the <a href="https://healthyaging.psu.edu/" rel="noreferrer" dir="ltr">Center for Healthy Aging</a> at Penn State, <a href="https://scholar.google.com/citations?user=ePjpIxYAAAAJ&amp;hl=en" rel="noreferrer" dir="ltr">we study</a> the impact of stress on the aging body and brain, including how it can worsen cognitive decline and risk for dementia. The social isolation older adults are experiencing now amid the coronavirus pandemic is raising new mental health risks, but there are things people can do to protect themselves.The health consequences of loneliness — The Covid-19 pandemic has put many older adults’ social lives on hold, leaving them at greater risk for <a href="http://doi.org/10.26633/RPSP.2020.81" rel="noreferrer" dir="ltr">loneliness</a>. They know they face a <a href="https://www.cdc.gov/coronavirus/2019-ncov/need-extra-precautions/older-adults.html" rel="noreferrer" dir="ltr">higher risk of developing severe symptoms</a> from Covid-19, so many are staying home. Restaurant closures and limits on visitors to assisted living centers have made it harder to see family and friends.But even prior to the pandemic, public health experts were concerned about the prevalence and health impacts of loneliness in the U.S. Loneliness affects <a href="https://doi.org/10.17226/25663" rel="noreferrer" dir="ltr">between 19% and 43%</a> of adults ages 60 and older, and many adults ages 50 and over are at risk of poor health from prolonged loneliness.Research has shown that prolonged loneliness is associated with <a href="https://doi.org/10.1177/1745691614568352" rel="noreferrer" dir="ltr">increased risk for premature death</a>, similar to smoking, alcohol consumption and obesity. Other health consequences are also associated with loneliness, including <a href="http://dx.doi.org/10.1136/heartjnl-2015-309242" rel="noreferrer" dir="ltr">elevated risk for heart disease and stroke</a>, and it is associated with increased <a href="https://doi.org/10.2105/AJPH.2014.302427" rel="noreferrer" dir="ltr">physician visits</a> and <a href="https://doi.org/10.1111/j.1532-5415.2010.02960.x" rel="noreferrer" dir="ltr">emergency room visits</a>.Loneliness can affect brain health and mental sharpness — Older adults who are socially isolated or feel lonely also tend to <a href="http://doi.org/10.1017/S1041610214002749" rel="noreferrer" dir="ltr">perform worse on tests of thinking abilities</a>, especially when required to <a href="https://doi.org/10.1002/gps.5174" rel="noreferrer" dir="ltr">process information rapidly</a>. And those who feel lonely show <a href="https://doi.org/10.1002/gps.4495" rel="noreferrer" dir="ltr">more rapid decline</a> in performance on these same tests over several years of follow-up testing.It is thought that loneliness may contribute to cognitive decline through <a href="https://doi.org/10.3390/brainsci7060056" rel="noreferrer" dir="ltr">multiple pathways</a>, including physical inactivity, symptoms of depression, poor sleep and increased blood pressure and inflammation.<figure><img alt="" width="656" height="370"><figcaption class="rRG TNI" dir="ltr">Abnormal levels of beta-amyloid protein in the brain form plaques (brown in this illustration) between neurons, disrupting cells. Tau protein can form tangles (blue) within neurons, harming neural communication.<cite class="hWs" dir="ltr"><a rel="noreferrer" href="https://www.flickr.com/photos/nihgov/38686503251/in/photolist-221rBUe-21WArAK" dir="ltr">National Institute on Aging, NIH</a></cite></figcaption></figure>Loneliness has also been found to <a href="https://doi.org/10.1016/j.arr.2019.03.002" rel="noreferrer" dir="ltr">increase the risk of developing dementia</a> by as much as 20%. In fact, loneliness has an <a href="http://doi.org/10.1016/S0140-6736(17)31363-6" rel="noreferrer" dir="ltr">influence similar to other more well-established dementia risk factors</a> such as diabetes, hypertension, physical inactivity and hearing loss.Although the underlying neural mechanisms are not fully understood, loneliness has been linked with the two key brain changes that occur in Alzheimer’s disease: the buildup of <a href="http://doi.org/10.1001/jamapsychiatry.2016.2657" rel="noreferrer" dir="ltr">beta-amyloid</a> and <a href="https://doi.org/10.1038/s41398-018-0345-x" rel="noreferrer" dir="ltr">tau</a> proteins in the brain. Other indicators of psychological distress, such as <a href="https://doi.org/10.1002/alz.12116" rel="noreferrer" dir="ltr">repetitive negative thinking</a>, have also be linked with the buildup of beta-amyloid and tau in the brain. Theories suggest that loneliness and other psychological stressors act to <a href="https://doi.org/10.1007/978-981-32-9358-8_20" rel="noreferrer" dir="ltr">chronically trigger the biological stress response</a>, which in turn appears to increase beta-amyloid and tau accumulation in the brain.How loneliness can contribute to disease — The evidence suggests that prolonged feelings of loneliness are detrimental to health. So, how do those feelings get converted into disease?Feeling lonely and socially isolated can contribute to <a href="http://doi.org/10.1016/j.socscimed.2016.01.020" rel="noreferrer" dir="ltr">unhealthy behaviors</a> such as getting too little exercise, drinking too much alcohol and smoking.Loneliness is also an important <a href="https://doi.org/10.1037/a0037618" rel="noreferrer" dir="ltr">social stressor</a> that can activate the body’s stress responses. When prolonged, that response can lead to increased inflammation and reduced immunity, <a href="https://doi.org/10.1159/000156468" rel="noreferrer" dir="ltr">particularly in older adults</a>. Inflammation is the body’s response to fight off infection or heal an injury, but when it continues unchecked it can have a <a href="https://doi.org/10.1038/s41591-019-0675-0" rel="noreferrer" dir="ltr">harmful impact on health</a>. Stress hormones play an important role in making sure that inflammation doesn’t get out of control. But, under chronic stress, the body becomes less sensitive to the effects of the stress hormones, leading to increased inflammation and eventually disease.In healthy older people, loneliness is related to <a href="https://doi.org/10.1016/j.psyneuen.2019.05.024" rel="noreferrer" dir="ltr">a stress hormone pattern similar</a> to that of people who are under chronic stress. This altered pattern in the stress response explained why people who were lonelier had poorer attention, reasoning and memory ability.Social activity can buffer against the decline — Maintaining high quality relationships may be a key for protecting brain health from the negative impacts of loneliness.Older adults who feel more satisfied in their relationships have a <a href="https://doi.org/10.1097/psy.0b013e3181f5e121" rel="noreferrer" dir="ltr">23% lower risk of dementia</a>, while those who feel their relationships are supportive have a 55% lower risk of dementia, compared to those who feel dissatisfied or unsupported in their relationships.Maintaining social activity also buffers against <a href="https://doi.org/10.1017/s1355617711000531" rel="noreferrer" dir="ltr">decline in thinking abilities</a>, even for those who <a href="http://doi.org/10.1016/j.archger.2018.12.014" rel="noreferrer" dir="ltr">live alone</a> or who have signs of <a href="https://doi.org/10.1016/j.jagp.2019.05.005" rel="noreferrer" dir="ltr">beta-amyloid accumulation</a> in their brain. One reason for these benefits to brain health is that maintaining strong social ties and cultivating satisfying relationships may help people to <a href="https://www.apa.org/topics/manage-stress-social-support" rel="noreferrer" dir="ltr">cope better with stress</a>; people who feel better able to cope with difficulties or bounce back after a stressful event show <a href="http://doi.org/10.1212/WNL.0000000000008979" rel="noreferrer" dir="ltr">less buildup of tau protein</a> in their brains.This is good news because, with the importance of social distancing for controlling the Covid-19 pandemic, how people manage their feelings and relationships is likely more important for brain health than the fact that they are spending time physically apart.Strategies for coping with loneliness — Loneliness is a common and <a href="https://doi.org/10.1080/02699931.2013.837379" rel="noreferrer" dir="ltr">normal human experience</a>. An important first step is to recognize this and accept that what you are feeling is part of being human.Rather than focusing on what’s not possible at the moment, try to <a href="https://doi.org/10.1007/s10879-020-09463-7" rel="noreferrer" dir="ltr">refocus your attention on</a> what you can do to stay connected and <a href="https://theconversation.com/social-isolation-the-covid-19-pandemics-hidden-health-risk-for-older-adults-and-how-to-manage-it-141277" rel="noreferrer" dir="ltr">make a plan</a> to take action. This could include planning to reach out to friends or family, or trying <a href="https://doi.org/10.31234/osf.io/j9e4q" rel="noreferrer" dir="ltr">new activities</a> at home that you normally wouldn’t have time for, such as online classes or book clubs.During times of high stress, self-care is essential. Following <a href="https://www.who.int/docs/default-source/coronaviruse/mental-health-considerations.pdf" rel="noreferrer" dir="ltr">recommendations</a> to maintain regular exercise and sleep routines, healthy eating and continuing to engage in enjoyable activities will help to manage stress and maintain mental and physical health.This article was originally published on <a href="https://theconversation.com/" rel="noreferrer" dir="ltr">The Conversation</a> by <a href="https://theconversation.com/profiles/karra-harrington-1131234" rel="noreferrer" dir="ltr">Karra Harrington</a> and <a href="https://theconversation.com/profiles/martin-j-sliwinski-1131232" rel="noreferrer" dir="ltr">Martin J. Sliwinski</a> at Pennsylvania State University. Read the <a href="https://theconversation.com/the-loneliness-of-social-isolation-can-affect-your-brain-and-raise-dementia-risk-in-older-adults-141752" rel="noreferrer" dir="ltr">original article here</a>.<div>Related Tags</div>

In healthy older people, loneliness has a pattern of stress response similar to that of people who are under chronic stress.

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Feeling lonely is the social equivalent to feeling physical pain.

Physical pain is unpleasant , yet it’s vital for survival because it’s a warning that your body is in danger. It tells you to take your hand off a hot burner or to see a doctor about discomfort in your chest. Pain reminds us all that we need to take care of ourselves.

Feeling lonely is the social equivalent to feeling physical pain. It even triggers the same pathways in the brain that are involved in processing <a href="https://doi.org/10.2217/pmt.15.56">emotional responses to physical pain </a>.

Just like feeling physical pain, feeling lonely and disconnected from others is also a signal that we need to take care of ourselves by seeking the safety and comfort of companionship. But what happens when we are unable to find companionship and the loneliness persists?

As <a href="https://scholar.google.com/citations?user=00f7MKUAAAAJ&hl=en">scholars </a>at the <a href="https://healthyaging.psu.edu/">Center for Healthy Aging </a>at Penn State, <a href="https://scholar.google.com/citations?user=ePjpIxYAAAAJ&hl=en">we study </a>the impact of stress on the aging body and brain, including how it can worsen cognitive decline and risk for dementia. The social isolation older adults are experiencing now amid the coronavirus pandemic is raising new mental health risks, but there are things people can do to protect themselves.

The health consequences of loneliness — The Covid-19 pandemic has put many older adults’ social lives on hold, leaving them at greater risk for <a href="http://doi.org/10.26633/RPSP.2020.81">loneliness </a>. They know they face a <a href="https://www.cdc.gov/coronavirus/2019-ncov/need-extra-precautions/older-adults.html">higher risk of developing severe symptoms </a>from Covid-19, so many are staying home. Restaurant closures and limits on visitors to assisted living centers have made it harder to see family and friends.

But even prior to the pandemic, public health experts were concerned about the prevalence and health impacts of loneliness in the U.S. Loneliness affects <a href="https://doi.org/10.17226/25663">between 19% and 43% </a>of adults ages 60 and older, and many adults ages 50 and over are at risk of poor health from prolonged loneliness.

Research has shown that prolonged loneliness is associated with <a href="https://doi.org/10.1177/1745691614568352">increased risk for premature death </a>, similar to smoking, alcohol consumption and obesity. Other health consequences are also associated with loneliness, including <a href="http://dx.doi.org/10.1136/heartjnl-2015-309242">elevated risk for heart disease and stroke </a>, and it is associated with increased <a href="https://doi.org/10.2105/AJPH.2014.302427">physician visits </a>and <a href="https://doi.org/10.1111/j.1532-5415.2010.02960.x">emergency room visits </a>.

Loneliness can affect brain health and mental sharpness — Older adults who are socially isolated or feel lonely also tend to <a href="http://doi.org/10.1017/S1041610214002749">perform worse on tests of thinking abilities </a>, especially when required to <a href="https://doi.org/10.1002/gps.5174">process information rapidly </a>. And those who feel lonely show <a href="https://doi.org/10.1002/gps.4495">more rapid decline </a>in performance on these same tests over several years of follow-up testing.

It is thought that loneliness may contribute to cognitive decline through <a href="https://doi.org/10.3390/brainsci7060056">multiple pathways </a>, including physical inactivity, symptoms of depression, poor sleep and increased blood pressure and inflammation.

Loneliness has also been found to <a href="https://doi.org/10.1016/j.arr.2019.03.002">increase the risk of developing dementia </a>by as much as 20%. In fact, loneliness has an <a href="http://doi.org/10.1016/S0140-6736(17)31363-6">influence similar to other more well-established dementia risk factors </a>such as diabetes, hypertension, physical inactivity and hearing loss.

Although the underlying neural mechanisms are not fully understood, loneliness has been linked with the two key brain changes that occur in Alzheimer’s disease: the buildup of <a href="http://doi.org/10.1001/jamapsychiatry.2016.2657">beta-amyloid </a>and <a href="https://doi.org/10.1038/s41398-018-0345-x">tau </a>proteins in the brain. Other indicators of psychological distress, such as <a href="https://doi.org/10.1002/alz.12116">repetitive negative thinking </a>, have also be linked with the buildup of beta-amyloid and tau in the brain. Theories suggest that loneliness and other psychological stressors act to <a href="https://doi.org/10.1007/978-981-32-9358-8_20">chronically trigger the biological stress response </a>, which in turn appears to increase beta-amyloid and tau accumulation in the brain.

How loneliness can contribute to disease — The evidence suggests that prolonged feelings of loneliness are detrimental to health. So, how do those feelings get converted into disease?

Feeling lonely and socially isolated can contribute to <a href="http://doi.org/10.1016/j.socscimed.2016.01.020">unhealthy behaviors </a>such as getting too little exercise, drinking too much alcohol and smoking.

Loneliness is also an important <a href="https://doi.org/10.1037/a0037618">social stressor </a>that can activate the body’s stress responses. When prolonged, that response can lead to increased inflammation and reduced immunity, <a href="https://doi.org/10.1159/000156468">particularly in older adults </a>. Inflammation is the body’s response to fight off infection or heal an injury, but when it continues unchecked it can have a <a href="https://doi.org/10.1038/s41591-019-0675-0">harmful impact on health </a>. Stress hormones play an important role in making sure that inflammation doesn’t get out of control. But, under chronic stress, the body becomes less sensitive to the effects of the stress hormones, leading to increased inflammation and eventually disease.

In healthy older people, loneliness is related to <a href="https://doi.org/10.1016/j.psyneuen.2019.05.024">a stress hormone pattern similar </a>to that of people who are under chronic stress. This altered pattern in the stress response explained why people who were lonelier had poorer attention, reasoning and memory ability.

Social activity can buffer against the decline — Maintaining high quality relationships may be a key for protecting brain health from the negative impacts of loneliness.

Older adults who feel more satisfied in their relationships have a <a href="https://doi.org/10.1097/psy.0b013e3181f5e121">23% lower risk of dementia </a>, while those who feel their relationships are supportive have a 55% lower risk of dementia, compared to those who feel dissatisfied or unsupported in their relationships.

Maintaining social activity also buffers against <a href="https://doi.org/10.1017/s1355617711000531">decline in thinking abilities </a>, even for those who <a href="http://doi.org/10.1016/j.archger.2018.12.014">live alone </a>or who have signs of <a href="https://doi.org/10.1016/j.jagp.2019.05.005">beta-amyloid accumulation </a>in their brain. One reason for these benefits to brain health is that maintaining strong social ties and cultivating satisfying relationships may help people to <a href="https://www.apa.org/topics/manage-stress-social-support">cope better with stress </a>; people who feel better able to cope with difficulties or bounce back after a stressful event show <a href="http://doi.org/10.1212/WNL.0000000000008979">less buildup of tau protein </a>in their brains.

This is good news because, with the importance of social distancing for controlling the Covid-19 pandemic, how people manage their feelings and relationships is likely more important for brain health than the fact that they are spending time physically apart.

Strategies for coping with loneliness — Loneliness is a common and <a href="https://doi.org/10.1080/02699931.2013.837379">normal human experience </a>. An important first step is to recognize this and accept that what you are feeling is part of being human.

Rather than focusing on what’s not possible at the moment, try to <a href="https://doi.org/10.1007/s10879-020-09463-7">refocus your attention on </a>what you can do to stay connected and <a href="https://theconversation.com/social-isolation-the-covid-19-pandemics-hidden-health-risk-for-older-adults-and-how-to-manage-it-141277">make a plan </a>to take action. This could include planning to reach out to friends or family, or trying <a href="https://doi.org/10.31234/osf.io/j9e4q">new activities </a>at home that you normally wouldn’t have time for, such as online classes or book clubs.

During times of high stress, self-care is essential. Following <a href="https://www.who.int/docs/default-source/coronaviruse/mental-health-considerations.pdf">recommendations </a>to maintain regular exercise and sleep routines, healthy eating and continuing to engage in enjoyable activities will help to manage stress and maintain mental and physical health.

This article was originally published on <a href="https://theconversation.com/">The Conversation </a>by <a href="https://theconversation.com/profiles/karra-harrington-1131234">Karra Harrington </a>and <a href="https://theconversation.com/profiles/martin-j-sliwinski-1131232">Martin J. Sliwinski </a>at Pennsylvania State University. Read the <a href="https://theconversation.com/the-loneliness-of-social-isolation-can-affect-your-brain-and-raise-dementia-risk-in-older-adults-141752">original article here </a>.

How social isolation changes the brain

Loneliness Is A Kind Of Pain

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