Top 11 Longevity Hacks Backed by Science

1. Take good care of your gut

Your gut does much more than digest food. It holds a large and diverse microbiome that is involved in, among other things, metabolism and the immune system.

A varied diet with vegetables, fruit, pulses, wholegrain products and fibre helps support that diversity. Fermentable fibres also provide food for various gut bacteria.

Do not make it complicated: above all, vary your plant foods widely and limit heavily processed products and large amounts of added sugar.

Read more about the blue zone diet

2. Choose healthy fats more often and less sugar

Not all fat is the same. Unsaturated fats from nuts, seeds, avocado, olive oil and fish, for example, fit within a healthy diet.

At the same time, it is sensible not to let products high in added sugars form the basis of your diet. In the end it is mainly the overall diet that counts: enough plant foods, protein, healthy fats and as few heavily processed products as possible. A healthy diet is one of the lifestyle factors that is consistently associated with healthy ageing.¹

3. Give your body a regular break from eating

Intermittent fasting and time-restricted eating receive a lot of attention within longevity. With these, you mainly limit the number of hours per day in which you eat, for example to a window of eight to ten hours.

Research shows that different forms of intermittent fasting can influence body weight and metabolic values. They do not appear to be structurally better than a healthy diet with a comparable energy intake.²

So do not see fasting as a trick to live longer, but as a possible way to bring more structure to your eating pattern.

4. Limit alcohol

The idea that a daily glass of wine would be healthy has faded further and further into the background in recent years. Alcohol carries health risks, and drinking more brings no longevity benefit.

If you do drink alcohol, keep the amount limited and deliberately build in alcohol-free days. Drinking no or little alcohol fits within the combination of lifestyle factors associated with a longer life expectancy.¹

5. Drink enough water

Water is needed for virtually all processes in the body: from temperature regulation and digestion to the transport of nutrients.

How much you need differs from person to person and depends partly on temperature, diet and how much you move. A practical gauge is your sense of thirst and the colour of your urine. Make water your default drink and drink extra in the heat and during exertion.

6. Keep moving

If one habit deserves a permanent place within longevity, it is exercise. Regular physical activity is strongly associated with a lower risk of premature death.¹

A study among more than 116,000 adults who were followed for up to thirty years showed that roughly 150–300 minutes of vigorous or 300–600 minutes of moderate exercise per week was associated with the largest drop in mortality risk.³

Ideally, combine:

• walking, cycling or other daily movement
• cardio training
• strength training
• exercises for mobility and balance

You do not have to train extremely. What counts most is continuing to move for years.

7. Improve your social interactions

Health is not only physical. Good relationships and social connectedness are also associated with healthy ageing.¹

So deliberately make room for friends, family, colleagues and other people you feel connected to. Eating, walking, exercising or contributing to something together can be just as much part of a longevity routine as exercise and healthy eating.

Social health therefore deserves a permanent place alongside physical and mental health.

8. Make sleep a priority

Sleep affects how you feel the next day, but it is also interwoven with processes around recovery, metabolism, memory and the immune system.

A regular rhythm is at least as important as the number of hours alone. For most adults, a good night’s sleep is around seven to nine hours. Sufficient and restorative sleep also emerged as an important lifestyle factor in large-scale longevity research.¹

Try to go to bed and get up at roughly the same time every day, and give your body enough time to recover.

9. Stop smoking

Few lifestyle choices are as clear-cut as this one. Not smoking is among the strongest modifiable factors for a longer and healthier lifespan.¹

Stopping later in life is worthwhile too. Your body begins to recover soon after you stop, and health risks decline further in the years that follow.

So within longevity this hack does not need to be made any more complicated: do not smoke — and stop if you do.

10. Take chronic stress seriously

Stress is part of life and can even be useful temporarily. It mainly becomes a problem when tension persists for a long time and recovery does not follow.

So look for ways that work for you: exercise, spending time outdoors, breathing exercises, yoga, relaxation or simply moments without a schedule.

A meta-analysis of 58 studies showed that different forms of stress management can influence cortisol levels. Mindfulness, meditation and relaxation in particular showed interesting results.⁴

11. Embrace mindfulness

Mindfulness does not mean you have to meditate at length every day. It is mainly about consciously paying attention to what is happening at that moment, without constantly moving on to the next thing.

You can do this through meditation, but also while walking, during breathing exercises or in a few minutes of quiet without your phone. Research into stress management shows that mindfulness and meditation can contribute to reducing perceived and physiological stress.⁴

Start small. Five or ten minutes that you actually take every day are more valuable than an elaborate plan you give up after a week.

Longevity is about the whole picture

The best longevity hack is probably that no single hack is enough on its own.

Lifestyle research shows that factors complement each other. Eating well but not exercising, training intensively but structurally sleeping too little, or wanting to do everything perfectly while stress builds up, all miss part of the whole.

So start with the basics:

Eat varied food, exercise regularly, sleep enough, do not smoke, limit alcohol, maintain your relationships and make time for recovery. Longevity does not come about in one perfect week. It lies above all in choices you can keep making for years.

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References

1. Nguyen X-MT, et al. (2024). Impact of 8 lifestyle factors on mortality and life expectancy among United States veterans: The Million Veteran Program. American Journal of Clinical Nutrition, 119(1), 127–135. DOI: 10.1016/j.ajcnut.2023.10.032.
2. Chen Y-E, et al. (2024). Effects of different types of intermittent fasting on metabolic outcomes: an umbrella review and network meta-analysis. BMC Medicine. PMID: 39533312.
3. Lee DH, et al. (2022). Long-Term Leisure-Time Physical Activity Intensity and All-Cause and Cause-Specific Mortality. Circulation, 146(7), 523–534. DOI: 10.1161/CIRCULATIONAHA.121.058162.
4. Rogerson O, et al. (2023). Effectiveness of stress management interventions to change cortisol levels: a systematic review and meta-analysis. Psychoneuroendocrinology.