Insights
Lifestyle, Brain Health and Working Life – How They Connect
Food, movement, sleep and recovery do not only affect how we feel today. New research shows a link between several lifestyle-related risk factors and how fast the brain ages.
The results say something important about physical health — but also about the value of detecting changes in how we feel before problems grow large.
When small signals form a pattern
Metabolic syndrome means several risk factors occur at the same time, for example high blood pressure, elevated blood sugar, abdominal obesity and altered blood lipids.
A new study from Karolinska Institutet analysed data from more than 27,000 participants aged 40 to 70 in the UK Biobank. The more risk factors participants had, the older their brains tended to look:
+1 yr
brain age with three risk factors
+1.7 yrs
with four risk factors
+2.3 yrs
with all five
The findings were also highlighted by physician and psychiatrist Anders Hansen on Swedish national television.
The study shows an association, not that metabolic syndrome causes faster ageing. But it illustrates the value of following several signals over time. A single deviation may not say much. When several factors move in the same direction, a clearer pattern emerges.
Read Karolinska Institutet's summary of the study
The same principle applies at work
High blood pressure is not necessarily noticeable day to day. Neither is a single stressful week.
But when stress is combined with poorer recovery, lower motivation and a weaker sense of control, a pattern can start to form. That applies to the individual, but also to a team or an entire organisation.
Even so, mental ill-health is often discovered only when someone struggles to work or is already heading into sick leave. An annual employee survey can show how the organisation felt several months ago — but not always what is happening right now.
Short, regular check-ins can give a more current picture. The point is not to measure more for its own sake, but to detect changes while they can still be influenced.
Measuring is not the same as monitoring
Mental health is sensitive information. Employees must be able to answer honestly without wondering whether their manager can see who said what.
That is why individual responses stay private in Lägereld. HR and managers only see aggregated patterns and trends. The question is not “who feels bad?” but “where are conditions changing — and what can the organisation do about it?”.
Data should enable safer decisions, not less secure employees.
When people feel better, the business notices
Good mental health is more than the absence of a diagnosis. For the individual it can support concentration, sleep, relationships and the ability to handle setbacks. Work, in turn, can provide structure, community, meaning and a sense of contributing.
The effects also show up in research:
13%
In a field study of nearly 1,800 employees at UK call centres, workers were around 13 percent more productive during periods when they felt happier. The result applies to the studied environment and cannot automatically be transferred to all workplaces.
Read Oxford University's summary1,782
Another Oxford study, based on around one million employee responses from 1,782 listed companies, found a clear link between higher wellbeing, profitability and firm value. The study shows an association, not that wellbeing alone causes better business results.
Read the study on wellbeing and firm performance12bn
Globally, around 12 billion working days are lost every year due to depression and anxiety.
WHO fact sheet on mental health at work1:4
A WHO-led calculation from 2016 estimated that every dollar invested in scaled-up treatment for depression and anxiety could return four dollars in better health and ability to work.
Read the original WHO analysis46%
In Sweden, psychiatric diagnoses account for around 46 percent of all ongoing sick leave cases, according to Försäkringskassan.
Försäkringskassan statisticsFrom late interventions to early action
Health rarely changes overnight. That is true for the brain as well as the workplace.
When companies follow relevant signals, detect changes early and offer a clear path from self-help to professional support, more people can get help before the situation becomes acute.
That is the core of Lägereld's view of proactive mental health: the first step should be the easiest one. When people get the right support in time, there are better conditions to feel well, think clearly, collaborate and grow — both at work and outside it.
Frequently asked questions
How is lifestyle linked to brain health?
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A Karolinska Institutet study of more than 27,000 UK Biobank participants found an association between the number of metabolic risk factors and brain age: three factors corresponded to about one extra year, four to about 1.7 years and all five to about 2.3 years. The study shows an association, not causation.
Why is an annual employee survey not enough?
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An annual measurement shows how the organisation felt months ago. Short, regular check-ins give a more current picture and make it possible to detect changes while they can still be influenced.
How do you measure wellbeing without monitoring employees?
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Individual answers must stay private. HR and managers only see aggregated patterns and trends, so the question becomes where conditions are changing — not who feels bad. That is how Lägereld is built.