Healthy ageing in everyday life: ten habits for a healthy and active life

Ageing healthily does not mean looking young for as long as possible. The focus is instead on how long a person can maintain their physical and mental abilities, independence and quality of life. This is precisely where the concept of healthy ageing comes in.

It is less about individual measures than the interplay of many everyday factors. Exercise, nutrition, sleep, social relationships and avoiding tobacco are part of this, as are a mindful approach to alcohol, regular preventive healthcare and the ability to shape your own daily life actively.

Research reveals a remarkably consistent picture: many factors associated with healthy ageing are not complicated longevity strategies. They are habits that can be integrated into everyday life over years and decades.

This does not mean that everyone can grow old healthily by following a particular lifestyle. Ageing processes are also shaped by genetic factors, environmental conditions, social circumstances and biological processes that cannot be fully influenced. Lifestyle therefore offers no guarantee. Rather, it is one of the areas in which something can actually be shaped over the long term.

Contents

1. What does healthy ageing actually mean?
2. Habit 1: Move regularly
3. Habit 2: Maintain strength and muscle mass
4. Habit 3: Sit as little as possible
5. Habit 4: Eat a balanced diet with an emphasis on plants
6. Habit 5: Get enough sleep and keep it regular
7. Habit 6: Nurture social relationships
8. Habit 7: Do not smoke and avoid tobacco
9. Habit 8: Keep alcohol intake as low as possible
10. Habit 9: Keep an eye on health measurements
11. Habit 10: Stay mentally active and shape your daily life
12. How can healthy habits be put into practice over the long term?
13. Conclusion: healthy ageing begins in everyday life
14. References

What does healthy ageing actually mean?

Healthy ageing is often equated with living as long as possible. Scientifically, however, the term is broader.

The World Health Organization describes healthy ageing as the process of developing and maintaining the ability that enables wellbeing in older age. This includes, among other things, being able to meet basic needs, maintain relationships, make decisions, move around and continue contributing to society.

This shifts the focus from lifespan alone to healthspan. This refers to the period of life during which a person remains as independent and functional as possible.

This is also interesting from a biological perspective. Ageing does not affect only one part of the body. Different organ systems age at different speeds and influence one another. Geroscience research shows, for example, that biological ageing processes in the brain, cardiovascular system, metabolism and other organ systems can develop differently.

Lifestyle factors therefore act in several places simultaneously. Exercise, for example, influences muscle tissue, metabolism, the vascular system and the brain. Sleep affects, among other things, regulation of the nervous system and metabolism. Nutrition provides not only energy, but also influences nutrient availability and metabolic regulation.

Healthy ageing is therefore less a single goal than a long-term strategy for maintaining as many of the body’s functional systems as possible.

Habit 1: Move regularly

If there is one habit that stands out particularly clearly throughout research on healthy ageing, it is physical activity.

Movement does not necessarily have to consist of intensive sport. What matters initially is that the body is regularly put to use. Walking, cycling, swimming, dancing or gardening count as physical activity just as targeted training does.

Current World Health Organization recommendations call for adults to do at least 150 to 300 minutes of moderate aerobic activity per week or 75 to 150 minutes of vigorous activity. Muscle-strengthening training is also recommended on at least two days per week.

Interestingly, movement does not only take place during a conventional training session. Walking journeys, stairs, housework or active leisure pursuits also contribute to the daily amount of movement.

Why movement is so biologically relevant

Physical activity sets numerous adaptation processes in motion. During exertion, muscles take up more glucose and place demands on the cardiovascular system. Regular training can also improve mitochondrial function and the body’s ability to provide energy.

At the molecular level, this activates, among other things, signalling pathways associated with energy status and adaptation to exertion. These include, for example, AMPK, a sensor of cellular energy status. Signalling pathways involving mTOR also play a role, particularly in muscle tissue’s adaptation to training.

This does not mean that you need to deliberately ‘optimise’ these signalling pathways in everyday life. What matters is the recurring physiological exertion to which the body responds by adapting.

Healthy ageing is about more than sport. What matters is moving your body regularly and making physical activity a natural part of everyday life.

Habit 2: Maintain strength and muscle mass

Endurance training often receives more attention when it comes to health. However, muscles are also central to healthy ageing.

With increasing age, muscle mass changes, as does, in particular, the ability to build and maintain muscle tissue. This process is referred to as sarcopenia when muscle loss and functional impairment reach a clinically relevant level.

Muscles are more than a system for movement. They are an important store of amino acids and play a central role in glucose metabolism. During physical activity, muscle tissue also produces various signalling molecules, known as myokines, which are involved in communication between muscles and other organs.

Strength training provides a particularly strong stimulus. Loading the muscles activates, among other things, the mTOR signalling pathway, which supports protein synthesis and therefore adaptation processes in muscle tissue.

This makes strength training an important part of an active life over the long term.

A systematic review and meta-analysis of ten studies found an association between resistance training and lower all-cause mortality, as well as lower cardiovascular and cancer-related mortality. As with many long-term observational data, however, this does not establish that strength training alone is responsible for these differences.

In practical terms, another question matters more anyway: can the muscles be adequately challenged in everyday life?

This does not have to be complicated. Squats, lunges, press-ups, rowing exercises, resistance-band exercises or weight training may be suitable options, depending on the starting level.

For older people, balance training and functional movements also become more important. The aim is not only muscle strength, but the ability to move safely and independently.

Habit 3: Sit as little as possible

Regular sport can achieve a great deal. However, it does not automatically make prolonged sitting unproblematic.

Much of modern everyday life consists of sitting: at a desk, in a car, on the sofa or in front of a screen. This is precisely why a distinction is increasingly made between physical activity and sedentary behaviour.

Someone who trains for 30 minutes every day, for example, but spends almost all the remaining time sitting has a different activity profile from someone who regularly gets up and moves throughout the day.

The WHO therefore not only recommends particular amounts of exercise, but also emphasises interrupting longer periods of sitting with movement where possible.

Even simple changes can help:

• walk short distances
• get up from your desk regularly
• take phone calls while walking
• use stairs instead of lifts
• run errands by bicycle
• deliberately break up longer periods of sitting

This is not about controlling every minute. Rather, it can be useful to incorporate more movement back into everyday routines.

Movement does not always have to mean training

This distinction matters for healthy ageing. An active daily routine can increase physical activity without having to schedule an hour at the gym every day.

Over the long term in particular, this can be decisive. A habit that is easy to integrate into everyday life has a better chance of being maintained for years than a training plan that only works under ideal conditions.

Habit 4: Eat a balanced diet with an emphasis on plants

Nutrition is a particularly large area of research in healthy ageing. At the same time, there is hardly a single dietary plan that would be equally optimal for everyone.

The evidence is considerably more consistent for certain dietary patterns. These include diets with a high proportion of vegetables, fruit, pulses, wholegrain products, nuts and seeds, while limiting highly processed foods and high proportions of added sugar and highly processed meat.

The Mediterranean diet has been particularly well studied. It combines vegetables, fruit, pulses, wholegrain products, nuts and olive oil, among other things, with fish and moderate amounts of other animal foods.

A recent systematic review and meta-analysis examined the Mediterranean diet in older adults and included 28 studies involving more than 679,000 participants in total. Greater adherence to the Mediterranean dietary pattern was associated with more favourable results for all-cause mortality and cardiovascular endpoints. However, most of the included investigations were observational studies. The results therefore primarily show an association rather than proving that the diet alone is responsible for the observed differences.

What makes a diet beneficial over the long term?

A balanced diet influences numerous biological processes simultaneously. Fibre from plant foods, for example, is processed by gut microorganisms. This produces short-chain fatty acids such as butyrate, which are linked, among other things, to gut barrier function and immune regulation.

The composition of dietary fats, carbohydrate quality and protein supply also play a role. Particularly in older age, an adequate intake of high-quality protein alongside physical exertion becomes more important because muscle protein synthesis may respond less sensitively to individual meals with increasing age.

A healthy diet therefore does not need to consist of complicated rules. What matters is the pattern over a longer period.

A simple look at the plate

Rather than judging individual foods as ‘good’ or ‘bad’, it may be more helpful to look at the composition of a meal.

This is not a rigid dietary formula. Rather, it is a guide based on the dietary patterns with the strongest current scientific support.

Habit 5: Get enough sleep and keep it regular

In everyday life, sleep is often viewed as time that can be cut when necessary. This perspective is of little help for healthy ageing.

During sleep, activity in the brain, the autonomic nervous system and various metabolic processes changes. Sleep is therefore not a passive state, but a biologically active part of the day.

The American Academy of Sleep Medicine and the Sleep Research Society recommend that adults aged 18 to 60 regularly get at least seven hours of sleep a night. Individual needs may be higher.

Duration is not the only thing that matters. Sleep timing and regularity also play a role.

A consensus statement from the National Sleep Foundation concludes that keeping bedtime and waking time as consistent as possible matters for health, safety and performance. When sleep duration has previously been too short, additional sleep on days off can also be helpful.

Sleep and circadian rhythm

The human body has an internal timing structure that is governed, among other things, by the circadian rhythm. Light, sleep times, meals and physical activity act as time cues.

Regular sleep supports stable timing of various physiological processes. These include, for example, the regulation of hormones, body temperature and metabolism.

Here too, perfection is not the aim. A single short night does not automatically change long-term health. A persistent pattern of too little or highly irregular sleep is more problematic.

For healthy ageing, this means that sleep should not become a priority only when tiredness is already a problem. It is one of the fundamental daily recovery processes.

Habit 6: Nurture social relationships

Ageing healthily does not only mean remaining physically capable for as long as possible. Social relationships are also among the factors associated with health and wellbeing in older age.

Humans are social beings. Conversations, friendships, partnerships and belonging to a community can convey a sense of security and connection. At the same time, social contact is often linked to concrete activities: cooking together, going for walks, doing sport or taking part in cultural activities.

Research distinguishes between social isolation, meaning an objectively low level of social contact, and loneliness, the subjective feeling of having too little social connection. The two are not the same. A person can have many contacts and still feel lonely.

A large meta-analysis of prospective studies examined the association between social relationships and mortality. Both social isolation and loneliness were associated with less favourable health outcomes. However, the authors emphasise that the underlying mechanisms are complex and observational data do not prove a simple cause-and-effect relationship.

Why social contact could be biologically relevant

Social experiences are closely connected to the nervous system and stress regulation. Chronic social strain can influence autonomic and neuroendocrine processes, among other things. Conversely, positive social relationships can provide psychological resources that make it easier to cope with stress.

Behaviours also play a role. People with a stable social environment may exercise more often, eat more regularly or be more likely to use medical services. Such factors may explain some of the observed associations.

Research therefore does not establish that a particular amount of contact automatically leads to a longer life. However, it is very clear that social connection can be a health-promoting component of a person’s living environment.

In everyday life, this need not become a grand social strategy. Regular meetings with friends, a shared hobby, volunteering or contact with family and neighbours can already provide important anchors.

Habit 7: Do not smoke and avoid tobacco

Few individual lifestyle factors have been studied as extensively as tobacco use. For healthy ageing, avoiding tobacco is therefore not a side note, but one of the most important avoidable influences.

Tobacco smoke contains numerous chemical substances, including many compounds that can damage cellular and tissue structures. The strain does not only affect the lungs. Smoking influences vascular function, blood clotting and cardiovascular regulation, among other things, and is associated with numerous chronic diseases.

Long-term exposure is particularly relevant. Many of the health consequences arise not after individual cigarettes, but through repeated exposure over years.

Quitting is worthwhile at any age

For people who already smoke, one question is therefore particularly relevant: is quitting worthwhile even after many years?

The research answer is clear. A large analysis of 17 cohort studies involving more than 1.4 million adults showed that former smokers had lower all-cause mortality than people who continued to smoke. Another notable finding was that quitting smoking was associated with marked improvements in long-term prognosis even in younger adults and after relatively few years of smoking.

The principle here is that quitting smoking does not undo past exposure. However, it changes further exposure and therefore also the long-term health outlook.

For healthy ageing, having a perfect past is therefore not what matters. What matters is which habits are continued or changed over the long term.

Habit 8: Keep alcohol intake as low as possible

A sober look at the evidence is worthwhile for alcohol too. For a long time, moderate alcohol consumption was sometimes presented as part of a health-promoting lifestyle. However, more recent analyses have made clear how difficult it is to separate such associations from other influences.

People who drink alcohol moderately often differ in many other respects from people who drink no alcohol at all. Income, diet, exercise, smoking and social factors may differ at the same time. This can produce an apparently favourable association in observational studies without alcohol itself being responsible.

In addition, alcohol is associated with various health risks. Current evidence therefore provides no health reason to start drinking.

A restrained approach to alcohol therefore makes sense for healthy ageing. Anyone who consumes alcohol can keep the amount and frequency as low as possible. Anyone who does not drink alcohol does not need to start in order to achieve a supposed health benefit.

Why ‘moderate consumption’ does not automatically mean healthy

A large international meta-analysis using data from more than 599,000 current drinkers examined the association between alcohol consumption and various health endpoints. As consumption increased, the risk of stroke, heart failure and hypertensive diseases in particular rose. The frequently discussed J-shaped relationship between alcohol and all-cause mortality could not be interpreted in this analysis as simple evidence of a health benefit from moderate drinking.

This example shows why healthy ageing does not consist of individual headlines or supposed superfoods and superfood equivalents. What matters is the evidence as a whole.

Habit 9: Keep an eye on health measurements

Healthy ageing does not mean constantly looking for diseases. Rather, prevention also works by recognising relevant changes in good time.

Certain health measurements are relatively straightforward to check. These include, for example, blood pressure, blood sugar and blood lipids. Which examinations are worthwhile, however, depends on age, sex, family history, individual risk factors and existing symptoms.

The blood pressure is a good example of a measurement that can matter over a longer period without being felt in everyday life. It can be elevated even when a person feels completely healthy.

The same applies to metabolic changes. The body can compensate for certain changes for a prolonged period before symptoms appear.

Preventive care is more than a laboratory value

A long-term health strategy therefore involves more than self-measurement. Preventive medical care and age-appropriate screening services also play a role.

Which examinations are worthwhile should be guided by the recommendations of the relevant healthcare system and the individual risk profile. Not every available measurement automatically provides an additional health benefit.

This also applies to modern longevity tests. A laboratory panel that is as large as possible may produce many numbers, but does not necessarily make health status more understandable.

A good health measurement is not the one that measures particularly much. What matters is whether the information can be meaningfully interpreted medically and, where appropriate, translated into a concrete action.

Habit 10: Stay mentally active and shape your daily life

The brain does not age independently of the rest of the body. Physical activity, sleep, social contact and metabolism also influence the conditions under which the brain works.

At the same time, mental activity itself is an important part of an active life. Reading, making music, learning, practical crafts, languages, games or new skills challenge the brain in different ways.

Particularly interesting here is the concept of cognitive reserve. Put simply, it describes the brain’s ability to maintain its function for as long as possible despite age-related or disease-related changes. Education, demanding mental activities and social involvement are associated with higher cognitive reserve.

However, this does not mean that a particular form of brain training can prevent dementia. Rather, research on individual cognitive training programmes shows that improvements are often particularly pronounced in the tasks actually trained. Whether such effects can transfer to complex everyday functions over the long term is less clear.

Learning as a long-term habit

In everyday life, therefore, which specific brain training you choose matters less. It may be more useful to understand mental activity broadly.

Learning a new language, trying an instrument, exploring an unfamiliar subject or regularly reading demanding texts means that the brain repeatedly encounters new challenges.

This can also include social and physical components. A language course brings people together, dancing combines movement and learning, and making music together combines cognitive and social activity.

It is precisely this connection between different areas of life that makes healthy ageing in everyday life so interesting. The ten habits do not stand in isolation.

How can healthy habits be put into practice over the long term?

The scientific evidence on healthy ageing is extensive. In everyday life, however, a good strategy rarely fails because people do not know that exercise, sleep or a balanced diet are useful.

The actual problem is often practicality.

Healthy habits therefore do not need to be spectacular. They need to fit into your own everyday life.

Anyone who has hardly done any sport so far does not need to complete five training sessions per week straight away. A regular walk can be a start. Someone who mostly sits can begin by walking certain journeys. Someone whose sleep times constantly shift can try to establish a more stable waking time first.

Small changes can add up

Long-term health does not arise from a single perfect day. It is shaped by patterns of behaviour repeated over a long period.

This can be summarised as a simple rule:

Consistency, rather than perfection, is what matters.

The ten habits should not be understood as a checklist that must be completed in full every day. Rather, they are about a long-term direction.

An active daily routine can, for example, include movement, social contact and mental activity at the same time. A balanced meal can combine vegetables, pulses and a protein source. A regular sleep rhythm can form part of an evening routine that also influences how you manage screen time and stress.

In this way, individual habits work together.

The ten habits at a glance

What should not arise from this is further pressure to optimise. Healthy ageing does not mean monitoring every bodily parameter daily or constantly perfecting your lifestyle.

Health behaviours also need to be psychologically sustainable over the long term. A habit that continually creates stress is not automatically a good habit just because it looks optimal on paper.

Conclusion: healthy ageing begins in everyday life

Healthy ageing is not a single programme or a method for completely controlling the biological ageing process. Rather, it is a long-term perspective on health.

Research shows that numerous everyday behaviours are associated with health and functional capacity in later life. Regular movement, strength training, less sitting, a balanced diet, enough sleep and social relationships are part of this, as are avoiding tobacco, a restrained approach to alcohol, sensible preventive care and mental activity.

The science is more nuanced in many areas than simple longevity promises suggest. Not every observed association is causal. Not every biomarker is a suitable treatment target. And no single lifestyle factor can determine how a person will age.

For precisely this reason, it is worth looking at the bigger picture.

Healthy ageing does not begin only at 60 or 70. The biological and functional foundations develop over many years. At the same time, it is never too late to change habits.

Ultimately, it is less about optimising as many years as possible in a particular way. It is about creating, for as long as possible, the conditions for participating actively and independently in your own life, with the highest possible quality of life.

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