Stress and constant fatigue: what nobody told you about the response stored in your DNA
Beyond the demands of everyday life, genes have a lot to say about the fatigue and stress that people experience.
Stress and constant fatigue: beyond the daily routine
Stress and constant fatigue are part of the lives of millions of people. Work demands, family commitments, and the pace of large cities seem relentless. However, it's not all about lifestyle: genetics also plays a significant role.
Recent studies have shown that the information inscribed in our DNA directly influences energy levels and how each person responds to physical and emotional stress. This new perspective has helped to understand why some people continue to feel exhausted even after sleeping eight hours.
With a simple blood sample, it is possible to analyze more than 700,000 genetic variants and over 80 traits related to health, nutrition, and well-being. Many of these traits are directly related to daily energy levels and the ability to respond to physical and mental stress.
Energy from the cell: the role of micronutrients
Behind chronic fatigue and difficulty concentrating often lies a deficiency of essential micronutrients. Vitamins such as B12, B6, D, and minerals like magnesium are key for cellular energy production.
Feeling tired should not be taken lightly: a 2024 report from the National Sleep Foundation - a U.S. NGO dedicated to sleep research - revealed that 21% of car accidents are due to drowsiness or falling asleep at the wheel. This makes fatigue the most common cause of traffic accidents after substance use such as alcohol and distraction. Spending long hours behind the wheel, with focus on the road, is an energy drain that can lead to tragedies if necessary breaks are not taken or if the driver is not changed.
The reason lies in the mitochondria, known as the energy factories of the body. These structures convert nutrients into available energy. If absorption is poor, cellular performance decreases, leading to symptoms such as persistent fatigue, weakness, or memory problems.
Scientist Adrián Turjanski, director of Gen360 and researcher at CONICET, explained it clearly: “Not all people metabolize these nutrients in the same way. Some have genetic variants that require a higher intake or supplementation to maintain adequate levels”, he noted.
How we respond to stress is also in our genes
Genetics also plays a crucial role in how the body responds to physical and mental stress. Genetic tests allow the identification of traits linked to early neuromuscular fatigue or increased post-effort inflammation, predispositions that can impact both athletic performance and physical and emotional recovery capacity.
Additionally, these tests analyze how the body processes substances that influence the nervous system, such as caffeine and alcohol. Certain genetic variants can prolong their effects, causing anxiety, insomnia, or irritability if their consumption is not moderated.
"Understanding these individual responses is key to adjusting daily habits that directly impact our mental and physical well-being,” emphasizes Turjanski.
Personalization: the key to feeling better
Understanding each person's genetic profile allows for more informed and precise decisions regarding diet, supplementation, and exercise or rest routines. The focus is no longer on following general rules or trends, but on acting with concrete and personalized information about the unique functioning of one's own body.
"Genetics does not predict our destiny, but it does offer us valuable tools to make informed decisions that can significantly improve our quality of life," concludes the director of Gen360. In the quest to regain energy and effectively manage stress, genetic analysis positions itself as a fundamental starting point for individual well-being.
The invisible weight of fatigue
Accumulated fatigue should not be overlooked. The National Sleep Foundation, a U.S. NGO dedicated to sleep research, warned in 2024 that 21% of car accidents were caused by drowsiness or falling asleep at the wheel. This statistic placed fatigue as the second most common cause of traffic accidents, after alcohol consumption and technological distraction.
Driving for hours, keeping attention fixed on the road, and resisting the monotony of the path are factors that drain mental and physical energy. When adequate rest does not come, the consequences can be fatal.
The impact of caffeine and alcohol on each organism
Two people can drink the same amount of coffee and have completely different responses. While one experiences a brief energy boost, another may suffer from palpitations, nervousness, or difficulty sleeping. The same happens with alcohol: in certain genetic profiles, its slow metabolism multiplies the negative effects on the nervous system.
Turjanski emphasized that “understanding these individual responses is key to adjusting daily habits that directly impact our mental and physical well-being”.
Personalized medicine: the science of listening to DNA
The great innovation of recent years is that genetic analysis has ceased to be exclusive to medical research and has become an accessible wellness tool. With a simple blood sample, it is possible to study more than 700,000 genetic variants and over 80 traits related to health, nutrition, and energy.
These analyses provide concrete information about:
- Predisposition to chronic fatigue.
- Response capacity to physical and emotional stress.
- Specific nutritional needs.
- Muscle recovery rhythms.
- Sensitivity to stimulating substances like caffeine or alcohol.
From general to personalized
Until recently, health recommendations were based on general parameters: eight hours of sleep, a balanced diet, and regular exercise. Today, personalized medicine proposes adjusting each habit to the needs of one's own body.
“Genetics does not predict our destiny, but it does offer us valuable tools to make informed decisions that can significantly improve our quality of life,” concluded Turjanski.
This approach represents a paradigm shift: it is no longer about following universal rules, but about designing a life plan that considers each person's unique genetic map.
What fatigue without an apparent cause reveals
Many people claim to feel tired even after getting enough sleep or maintaining healthy routines. This "inexplicable" fatigue may be due to genetic factors that limit efficiency in cellular energy production.
In these cases, appropriate supplementation or adaptation of sleep and dietary habits can make a difference. The key is to have an accurate diagnosis to avoid confusing genetic fatigue with problems of psychological origin or lifestyle.
Stress, DNA, and mental health
The genetic impact is not limited to the physical aspect. It also influences how the nervous system handles daily pressure. Specific genetic variants can determine a lower threshold for stress, leading to greater vulnerability to anxiety or depression.
Genetic analysis allows for anticipating this predisposition and taking preventive measures, such as moderate exercise routines, relaxation techniques, or dietary changes. Knowing one's biological limits helps prevent everyday stress from becoming a chronic problem.
Towards a future of personalized health
The advancement of genomics opens the possibility of building tailored health plans. In the near future, doctors will not only recommend a diet or a supplement but will do so based on each patient's genetic sequence.
In practice, this means that two people with similar symptoms may receive completely different treatments, tailored to their genetic profile. The goal is to increase the effectiveness of interventions and reduce the risks of adverse effects.
The challenge of integrating genetics into daily well-being
While science offers new answers, the challenge is to translate them into daily life. Genetic analysis must be complemented with sustainable habit changes: adequate rest, balanced nutrition, reduction of harmful substance consumption, and a more conscious relationship with stress.
The message from experts is clear: DNA does not condemn, but it does guide. Understanding genetic information is an opportunity to prevent diseases, optimize energy, and improve quality of life.