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09.09.202513 Min. Reading time

Long Healthy Life: How Our Lifestyle Keeps Cells Young

Many aging processes can be slowed down - with surprisingly simple means. New studies show which small changes can help keep our cells healthy and functional for longer.

 
 
 
 
 

What is healthy aging?

Today we live significantly longer than before, but the real question is: How many of these years do we actually spend healthy and full of energy? The mere number of years lived says little about our quality of life. Because what use are years of life if the strength is lacking to actively shape them? Can we still go swimming at 80 or work in the garden at 90? That is exactly what healthy aging, also known as longevity, is about: Not just getting older - but staying healthy longer.

 
 

The most important keys to healthy aging

Modern research shows: to a large extent, we have it in our own hands how healthy we will grow old. Scientists from Harvard University have conducted a large-scale long-term study to investigate which factors increase our chances of a long and healthy life. Over a period of more than 30 years, men and women were followed - with a clear result: five lifestyle factors have a crucial impact on our health in old age.

 

1. Healthy nutrition is daily cell care

When it comes to nutrition, it's not about following a specific diet or strict rules. What is crucial is that we regularly provide our bodies with all the nutrients they need for health, energy, and regeneration. This doesn't require prohibitions, but rather a conscious selection of nutrient-rich foods.

Whether Mediterranean, Asian, or completely individual - there are many ways to eat healthily. The most important thing is the quality: Those who choose fresh, unprocessed foods and focus on variety provide their bodies with valuable micronutrients - including vitamins, trace elements, fiber, and healthy fats.

Vegetables, fruits, herbs, legumes, spices, and high-quality plant oils provide a wide range of micronutrients and phytochemicals - especially. AntioxidantsThese act in the body like a shield: they neutralize free radicals that damage our cells and accelerate aging processes. Figuratively speaking, they act like a "rust protection" for our cells. Plant-based foods contain ten to a hundred times more antioxidants than animal-based foods - a huge advantage for the. daily cell healthI'm here to help! Just provide me with the text you would like me to translate into English.

 

Healthy nutrition is a rejuvenation turbo. Numerous studies confirm that it not only extends lifespan but also prevents the breakdown of body and mind.

Dunja Rieber,
Author and nutritionist

 

2. Regular Exercise

Daily exercise is one of the most important keys to a healthy life - today and in old age. Those who stay active not only strengthen their muscles, heart, and circulation, but also their mental well-being. It is important that exercise takes place regularly and is enjoyable: Those who do not enjoy jogging may find the suitable alternative in group classes, cycling, or paddling.

The recommendation is: 150-300 minutes of moderate exercise per week.

 

3. Healthy Body Weight

A healthy weight is a key component for a long life - not for aesthetic reasons, but because overweight increases the risk of many chronic diseases such as diabetes, high blood pressure, or joint problems. Overweight even accelerates the aging of our organs and acts as an aging turbo as researchers from the University Hospital Schleswig-Holstein recently found out.

The basis for a stable, healthy weight is a functioning metabolism. Because only when our body can efficiently process absorbed nutrients, we feel powerful, energized, and our weight remains balanced. Those who lose weight slowly and steadily have greater long-term success than with quick diets.

 

4. Quitting smoking & mindful use of alcohol

Smoking and excessive alcohol consumption are among the biggest avoidable health risks. They increase the risk of cardiovascular diseases, cancer, liver and lung damage, and weaken the immune system.

The good news: It is never too late to make a change. Reducing smoking or consuming alcohol more consciously benefits individuals at any age - often already after a short period of time. Helpful practices include having fixed alcohol-free days, clear reasons for abstaining, and support from the environment.

 

5. Social Relationships

A stable social environment is an important building block for our health - especially from midlife onwards. People with good relationships with family, friends, or neighbors not only live longer, recover faster from illnesses, but also stay mentally sharper.

It is not about the number of contacts. What is much more important is the Quality of relationships. Even a close friend or confidant can make a difference. It is important to feel seen, understood, and supported.

Even a brief exchange with a trusted person can open up new perspectives, give strength, and provide the feeling of not being alone. Those who wish to can make new contacts through courses or clubs.

 
 

What really matters: The most important habits for a long, healthy life

A healthy life begins with the right habits - they form the basis for vitality and well-being into old age. These fundamental behaviors act as supporting pillars. These include: a balanced diet, regular exercise, a healthy body weight, good sleep, sunlight, and a good social interaction.

 

Sleep - the underestimated regeneration aid

Adequate and restful sleep is essential for metabolism, the immune system, memory performance, and emotional balance. Those who regularly sleep poorly not only risk feeling tired, but also increase the risk of overweight, inflammation, or cognitive impairments.

For adults, seven to eight hours of sleep per night are considered optimal. Having fixed bedtimes or relaxing routines such as reading or taking a short walk can help improve the quality of sleep.

 

Sunlight and nature - recharging energy and finding balance

When sun rays touch our skin, vitamin D is produced in the body - an important nutrient for strong bones, a good immune system, and many other processes. Studies show that a large part of the population is not well supplied and would benefit from good vitamin D levels.

At the same time, time in nature has a calming effect - be it while walking, gardening, or cycling. Those who spend time outdoors daily - even if it's just for fifteen minutes - not only support their physical well-being, but also their inner balance.

 

Healthy Habits - Improving Nutrition in Everyday Life

Nobody has to completely overhaul their diet right away. It is much more effective to integrate healthy habits into everyday life one by one - where it is easiest for us. Perhaps with a nutrient-rich breakfast, more vegetables at lunch, or a serving of raw vegetables in the evening. Even small changes have a big impact. The key is to stick with it - step by step, eating more consciously, without pressure and rigid rules. This gradually creates a new, healthy everyday life that truly suits you - sustainable, practical, and with a measurable impact on your health.

 

Micronutrient supply - a building block to close gaps

In the stressful everyday life, it is not always possible to eat fresh and balanced. Lack of time, unbalanced diet, or poor quality can lead to deficiencies - even with an otherwise healthy lifestyle. Studies show that many people do not consume enough vitamins and trace elements for these reasons, often without realizing it.

Therefore, experts such as Harvard University also recommend a daily, comprehensive micronutrient supplement to reliably cover important micronutrients for everyone.

 
 

Health begins in every single cell: Micronutrients that support healthy aging

Our biological clock ticks not only with age, but above all with what we eat. It is long scientifically proven that a balanced diet slows down aging. But today we understand more precisely why this is the case - and therein lies the real news: A healthy, long and active life depends to a large extent on how well our cells function. Because they are not only the smallest building blocks of our body, but also highly complex metabolic factories that perform at peak performance around the clock.

Our cells respond faster to healthy impulses than previously thought. After just a few weeks of better supply of important micronutrients, measurable changes in our biological age become apparent. Those who invest in their cell health lay the foundation for healthy years - from the inside out.

A good cell supply with all important micronutrients has been proven effective in a variety of studies in terms of health and prevention:

  • A recent study was able to show that a healthy diet - supported by holistic micronutrient intake - can reduce biological age by an average of 3.4 years (women) or 4.1 years (men) within just a few weeks. The measurement was done using biomarkers as well as the Horvath epigenetic clock, a recognized method for assessing cellular age.1

  • A remarkable study showed that individuals who took a holistic dietary supplement daily for a year achieved a measurable rejuvenation of their brain by three years. The results suggest that a combination of all important micronutrients significantly improves brain functions and slows down age-related decline.2

  • Nobel laureate Elisabeth Blackburn demonstrated that a micronutrient-rich diet, which provides cells with essential nutrients, can stimulate the activity of telomerase - the enzyme that lengthens the protective telomeres on chromosomes - within a few weeks. This directly supports the stability of genetic information and can positively influence the aging process at the cellular level.3

  • As our body cells age, the pattern of certain methylations changes. However, the cell has mechanisms to reposition the methylations, and at the right place. One can imagine this as a cell reset, where unnecessary, non-functioning data residues are deleted. Folic acid, vitamin B6, B12, zinc, and biotin play a crucial role in this process.4

  • Nutrigenomics, the discipline that explores the relationship between dietary patterns and gene expression, shows: Secondary plant substances such as sulforaphane from cruciferous vegetables (broccoli, cabbage), polyphenols from green tea, or carotenoids (vitamin A precursor) from orange vegetables and fruits activate the NRF2 gene, which is responsible for supplying body cells with antioxidants. In this way, the valuable nutrients protect our cells and organs from oxidative stress and chronic inflammation - both factors that accelerate aging processes. The health-promoting potential is also proven for berries, herbs, and many other fruits and vegetables.5

  • Healthy eating acts as a rejuvenation turbocharger as shown by numerous studies: Those who eat at least 500 grams of fruits and vegetables daily and overall pay attention to a balanced, nutrient-rich diet, live an average of ten years longer in good health. Healthy eating is much more than calorie management - it is active health care, protection against physical and mental decline, and a real "rejuvenation turbo" for our cells.6

But how can these impressive effects be explained?

What happens in the body when we age? Is it already the aching joint? The increasing fatigue? Or the deteriorating eyesight? It is not that simple - one must look deeper into the cell to understand aging and to be able to stop it.

Scientifically, 12 central influencing factors have been identified so far that determine our biological aging:

 

The 12 Hallmarks of Aging show

Aging is not a coincidence, but the loss of cell function.

  1. Environmental influences lead to mutations. UV rays, environmental toxins, and radicals alter our DNA.

  2. Changes in the epigenome: Gene activity is poorly regulated.

  3. Dysbiosis in the gut: The balance of the microbiome is disrupted

  4. Telomeres shorten: The protective caps of the chromosomes wear out.

  5. Chronic inflammation: Age-related inflammatory processes burden the body.

  6. Disrupted cell cleaning: Defective cell components are no longer properly disposed of.

  7. Cell communication is decreasing: Disorders in metabolism and hormone balance.

  8. Senescent cells: Old cells do not die off, but cause inflammation.

  9. Stem cells are depleting: Tissues can regenerate less effectively.

  10. Faulty proteins: Cells are increasingly producing faulty proteins.

  11. Mitochondria are functioning poorly: The energy supply to the cells is collapsing.

  12. Nutrient utilization is disturbed: Cells can utilize nutrients less effectively.

 

In research, the factors of aging are referred to as hallmarks of aging. Almost exclusively, these are changes in our cell function. These include changes in genetic stability, that is, in our genetic material, as well as malfunctions in the mitochondria, the energy powerhouses of our cells. Other markers of aging are chronic inflammation in the body and an imbalanced gut flora. If we succeed in positively influencing these and strengthening our cells, we can actively influence the aging process.

 
 

The Secret of the Blue Zones

The so-called Blue Zones - five geographical regions of the Earth with remarkably high life expectancy - provide exciting clues on how to achieve a healthy and long life. These regions include Okinawa in Japan, Sardinia in Italy, and Nicoya in Costa Rica. Even though the actual age claims in some of these areas - as critics recently pointed out - may not always be clearly substantiated and some numbers may appear inflated, the research by Dan Buettner still provides valuable insights for prevention and longevity.

A closer look at the lifestyle of people in these regions reveals many similarities: a predominantly plant-based diet rich in vegetables, legumes, fruits, nuts, and fiber. Meat and highly processed foods are rarely consumed or only in small quantities. People mostly eat fresh, local, and seasonal foods. They generally consume fewer calories than is customary here, but more nutrient-dense. In addition, other key factors are evident: residents are socially active into old age, usually have a stable social environment, maintain a healthy weight, and cultivate a life with meaning and belonging. Especially in Okinawa, the principle of "Ikigai" - the feeling of having a meaningful role in the community - is deeply rooted in everyday life.

Despite the justified criticism of the methodological accuracy in some regions, the message of the Blue Zones remains clear: a mindful lifestyle with balanced nutrition and social integration is one of the strongest factors for healthy aging.

 
 

Conclusion: Sustainable changes for healthy aging

The most important thing in all recommendations for healthy aging is that they are sustainable in the long term. It's about making permanent changes, not short-term high performance. It is of little benefit to eat perfectly and exercise regularly for a month, only to completely drop out the next month. It is much more sensible to adjust your habits step by step so that they fit into your daily life and are realistically achievable. Over time, these small adjustments will add up to a comprehensive, positive change in your overall lifestyle for a long life.

 
 
  • 1

    Fitzgerald KN, et al. (2023): Potential reversal of biological age in women following an 8-week methylation-supportive diet and lifestyle program: a case series. Aging (Albany NY); 22 (15)

    2

    Lok-Kin Yeung (2023); Multivitamin Supplementation Improves Memory in Older Adults: A Randomized Clinical Trial, The American Journal of Clinical Nutrition

    3

    Ornish, Blackburn et al.: Increased telomerase activity and comprehensive lifestyle changes: a pilot study. Lancet Oncol. 2008

    4

    https://www.drkarafitzgerald.com/2022/02/15/epinutrients-make-food-your-medicine/

    5

    Journal of Orthomolecular Medicine 2022; 20(02): 38-42 DOI: 10.1055/a-1839-0580

    6

    Fadnes LT et al. (2022): Estimating impact of food choices on life expectancy: A modeling study. PLoS Med 19(2)