🩺 Loneliness and physical health
In brief
Persistent loneliness is more than an unpleasant feeling: research links it with an increased risk of various physical and mental complaints, such as cardiovascular problems, sleep disorders, a weakened immune system and generally poorer self-rated health. This does not mean that loneliness automatically makes you ill – but a conversation with your GP practice makes sense if loneliness and physical complaints occur together.
Step by step
- Do not view physical complaints in isolationSleep problems, exhaustion or a feeling of general listlessness can also be connected with persistent loneliness – raise this openly with your GP practice.
- Seek a conversation with your GPGPs can rule out physical causes and, if needed, refer you on to psychotherapy or social counselling.
- Combine exercise and contactGroup exercise services (walking groups, rehabilitation sport, sports club) combine health benefits with social contact.
- Stabilise sleep and daily routinesFixed daily structures counteract both the health and the social downward spiral that persistent loneliness can encourage.
- If distress persists, involve professional helpIf complaints last for weeks, an assessment at a GP practice or by a psychotherapist makes sense (see the page on cost coverage for psychotherapy).
Deadlines
- A link between loneliness and an increased health risk is documented in several studies, but this does not mean an inevitable automatism in an individual case.
- Physical complaints should not be put down hastily to loneliness alone – a medical assessment of other causes remains important.
- International studies (often from the USA or the United Kingdom) on mortality risks due to loneliness cannot readily be transferred one-to-one to Germany, as health systems and social safety nets differ.
- Mere speculation about individual percentages for mortality or illness risk due to loneliness is deliberately not given here where no reliable German primary source is available.
In depth · legal basis, figures and practice – for advisers and professionals
Data situation in Germany
In the Journal of Health Monitoring, issue 3/2023, and based on the GEDA study (Gesundheit in Deutschland aktuell), the Robert Koch-Institut examined a link between loneliness and poorer self-rated health among people aged 50 and over and reported a share of around 8.3 % lonely people in this age group, with higher loneliness going along with less favourable health indicators. A causal direction (does loneliness make people ill, or does poor health lead to more loneliness) cannot be clearly derived from cross-sectional data such as the GEDA study; presumably both directions act together.
International research
International reviews (including Buecker & Neuber 2024, narrative review) summarise loneliness as a documented risk factor for less favourable mental and in part cardiovascular outcomes, but urge methodological caution when transferring individual international risk estimates to other health systems. This page deliberately refrains from giving specific international risk ratios (e.g. for heart attack or mortality risk), as they cannot readily and without distortion be transferred to the German care landscape.
A question about your situation that this page does not answer? Write to us or use the contact form – we will tell you which office is responsible and what to bring. Free of charge, without individual legal advice.