Longevity from your thirties: evidence-based habits for a longer, healthier life

The essentials in a minute

• Look for a specific outcome behind a recommendation: disease, mortality, physical ability or an intermediate marker.
• Prioritise an action you can maintain before adding more rules to your life.
• Use research as guidance; figures for a group do not calculate your life expectancy.
• Start with your actual circumstances: time, resources, preferences and health.

1. Movement: a priority for disease prevention

The WHO reports that regular physical activity is associated with lower all-cause and cardiovascular mortality and lower risk of type 2 diabetes and certain cancers. Movement therefore has a central place in prevention as well as sporting performance. 1

For adults, WHO guidelines recommend 150–300 minutes of moderate aerobic activity weekly, 75–150 minutes of vigorous activity, or an equivalent combination, alongside strengthening the major muscle groups on at least two days a week. 2

Bring it into your week: open your calendar before choosing a routine. Reserve times when you can actually be active, and consider what you would enjoy repeating: walking, dancing, cycling, gym sessions or your sport. Different activities do not necessarily cover the same components; consider where strength fits into the mix.

If you work sitting down, look for convenient chances to get up and move during the day. That change can sit alongside your sessions without requiring every break to become a workout.

A planning example might identify two days for strength and several opportunities for walks or another enjoyable activity. That is not yet a calculated programme, nor does every calendar automatically meet the recommendations. If you are starting from little activity, adapt the beginning to your ability and seek guidance when needed.

2. Food: consider the whole pattern

In PREDIMED, a Spanish trial involving people aged 55–80 at high cardiovascular risk, Mediterranean-diet groups supplemented with extra-virgin olive oil or nuts experienced fewer major cardiovascular events than the comparison group. This guide uses the corrected 2018 publication. 3

That result concerns that population and a cardiovascular outcome; it does not calculate years of life gained for someone aged 35.

Bring it into your kitchen: choose a regular meal and plan a workable alternative using vegetables, pulses or other foods that fit your diet. For example, you could prepare a chickpea salad with vegetables and olive oil for a day when you finish late. Adapt ingredients to allergies, preferences and needs.

Then review the shopping: what needs to be available to repeat the meal, how much does it cost, and can you prepare an amount that works for you? This is a cooking and planning suggestion, rather than a reproduction of the trial or a treatment.

Avoid attributing the result of a complete dietary intervention to one ingredient. Adding oil or nuts to any menu does not establish that the study conditions have been reproduced.

3. If you smoke, planning to quit deserves priority

A four-cohort analysis published in NEJM Evidence in 2024, involving approximately 1.48 million adults, found that quitting smoking was associated with lower excess mortality and longer survival than continuing. Favourable associations appeared across different ages. This is observational evidence, not a trial assigning people to smoke or quit. 4

A concrete action: ask for support in preparing to quit, and note the situations in which going without tobacco feels hardest. You can list times, triggers and available support to discuss a plan. You do not have to work out which treatment to use on your own.

If you do not smoke, this section does not require you to find another habit to “optimise”. You can give your attention to a priority relevant to you. Prevention should fit your life without becoming a competition to accumulate practices.

How to recognise a well-explained longevity recommendation

Before sharing a claim, look for four details:

A change in a biological marker may be interesting, but alone does not establish that an intervention extends human life. Nor should every recommendation be expected to have the same kind of proof: research questions and study designs differ.

We will therefore describe associations as associations and trial results with their populations and comparisons. When a figure is useful, we will identify the risk it concerns, its timeframe, and whether it expresses a relative or absolute difference.

One first step for the next seven days

Choose one priority and write down how to make it possible:

1. Action: a session, a planned meal or a consultation about quitting smoking.
2. When: a day, time or specific situation.
3. Support: a person, resource or advance preparation.
4. Review: what made the action easier or harder to complete.

For example: “On Tuesday, after work, I will walk the route near home. I will leave my shoes ready and review how it went on Sunday.” The record helps you organise things; that sentence does not assign additional years of life to an activity.

You might find that the original time is awkward or the route does not suit you. Adjust the practical arrangement rather than treating one missed occasion as the end of the plan. Write down the obstacle and decide what you could change next time.

Frequently asked questions

Can I know how many years a habit will add?

These sources do not support an individual prediction. The practical aim is to make better-informed decisions about factors you can address.

Will this section cover only exercise?

It will include habits and preventive interventions supported by relevant research, explaining what is known about disease, mortality or survival. Each article should answer a new question and offer a useful action.

How does YouVisible fit?

You can record activities, save your moments and note how you felt. That preserves the context of your active life and helps you identify practices you enjoy and want to repeat.

Sources consulted

Sources checked: 25 October 2026. Editorial author: YouVisible Editorial Team.

1. World Health Organization. Physical activity, 2024.
2. Bull and colleagues. World Health Organization 2020 guidelines on physical activity and sedentary behaviour. DOI: 10.1136/bjsports-2020-102955.
3. Estruch and colleagues. Primary Prevention of Cardiovascular Disease with a Mediterranean Diet Supplemented with Extra-Virgin Olive Oil or Nuts. NEJM, corrected 2018 publication. DOI: 10.1056/NEJMoa1800389.
4. Cho and colleagues. Smoking Cessation and Short- and Longer-Term Mortality. NEJM Evidence, 2024. DOI: 10.1056/EVIDoa2300272.