Loneliness – A Hidden Risk Factor for Health

 

By Mikkel Ibsen, Specialist in Geriatric Medicine, Ældrelægen.dk

Loneliness is something many seniors experience, yet few openly discuss. For some, it creeps in gradually. For others, it emerges more abruptly, such as after the loss of a spouse.

As a geriatric doctor, I see every day how loneliness significantly affects my patients' health. It's not just mental—it impacts physical well-being too.

Life changes with age. Retiring and losing daily social interactions can make friends and acquaintances fewer. For some, family lives far away, or children and grandchildren are busy with their own lives. Days can become long—and quiet.

Being lonely doesn’t always mean being alone. You can be surrounded by people and still feel isolated. It’s about missing closeness, community, and meaningful connections.

But loneliness isn't just a feeling; it's a health risk too.

Research shows prolonged loneliness impacts the body and increases the risk of illness. Today, loneliness is recognized as a risk factor akin to smoking or lack of physical activity. It raises the risk of depression, anxiety, and forgetfulness—and is linked to a higher risk of developing dementia.

We also see that lonely individuals often lose their appetite, move less, and find it harder to maintain their health. Loneliness can spark a negative spiral, gradually worsening both physical and mental health.

After major life changes—like losing a partner—the risk of loneliness is especially high. Losing someone close also means losing a key part of daily life and identity.

That's why it's crucial to take loneliness seriously and view it as part of overall health.

Here are some concrete ways to break the cycle of loneliness:

 

  • Talk about it
    The first step is to express how you feel—with family, friends, or your doctor. Loneliness is common and nothing to be ashamed of.
  • Maintain daily routines
    Having consistent routines and small daily activities can provide direction and purpose.
  • Seek out communities
    Join clubs, senior centers, exercise groups, or communal dining. Even small, regular interactions make a difference.
  • Keep in touch
    Call family or friends—even if it's just for a brief chat.
  • Combine activity and companionship
    Walking, exercising, or other activities with others provide both physical and social rewards.
  • Use digital options
    Video calls and social media can supplement especially if getting out is difficult.
  • Speak to your doctor if you feel down
    Loneliness can lead to depression, which can and should be treated.

The key is to be aware of how you feel—and act in time. Loneliness rarely resolves on its own, but even small steps can make a big difference.

We often talk about diet, exercise, and medicine as paths to good health. But social connections are just as vital.

Just as we respond to pain or sickness, we should address loneliness. It signals that something important is missing and deserves attention.

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About the Elder Doctor

Ældrelægen is a private specialist clinic focusing on geriatric diseases, addressing the health issues and conditions commonly experienced by seniors.

The clinic is headed by Mikkel W. Ibsen, a specialist physician who has assisted over 500 patients at Ældrelægen.

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