The 5 Pillars of Longevity: The Research Behind Each Habit

October 2, 2026

Most conversations about longevity start with a supplement. This one starts a step earlier.

Research on healthy ageing keeps returning to the same few habits. We group them into five pillars: movement, nutrition, recovery, cognition and prevention.

How much difference can they make? In a Harvard study of more than 111,000 adults, 50-year-old women with four or five low-risk habits, including not smoking, a healthy weight, daily exercise and a good diet, were estimated to live about ten more years free of cancer, heart disease and type 2 diabetes than women with none. For men, the gap was nearly eight years (1). Those would be years in good health, which is what most of us want from longevity.

Pillar 1: Movement

How Much Exercise Do You Need to Age Well?

The World Health Organization (WHO) recommends 150 to 300 minutes of moderate activity a week, plus strength work (2). In a typical week, that looks like:

30 minutes of brisk walking or cycling, five days a week, building up to an hour
Or, if you prefer vigorous exercise such as running, 25 minutes three days a week
Strength training on at least two days, such as lifting weights, using resistance bands or bodyweight exercises like squats and push-ups
From 65, varied activity that combines balance and strength work, on three or more days to help prevent falls

It also recommends limiting time spent sitting and replacing some of it with movement of any intensity (2).

Why Strength Matters More With Age

Strength fades faster than muscle size: by the mid-seventies it drops by around 2.5 to 4% a year (3). Across 16 studies, 30 to 60 minutes of muscle-strengthening a week was linked with a 10 to 20% lower risk of dying from any cause, heart disease or cancer (4).

Bones respond too: in the LIFTMOR trial, supervised heavy lifting improved spine and hip bone density in postmenopausal women with low bone mass, compared with a low-intensity programme (5). If you have osteoporosis, learn to lift with a qualified coach.

How Many Steps a Day Do You Actually Need?

The target is more achievable than you might think. A 2025 analysis of 57 studies found that walking about 7,000 steps a day was associated with a 47% lower risk of death than walking 2,000. Beyond that, the extra benefit was modest for most outcomes, though some kept improving with more steps. Even going from 2,000 to 4,000 steps made a difference (6).

Pillar 2: Nutrition

What Does a Longevity Diet Look Like?

The evidence points to mostly plants, with fish, nuts and olive oil and not much red or processed meat. The German Nutrition Society (DGE) turned this into practical targets in 2024 (7):

At least five portions of fruit and vegetables a day
Whole grains in place of refined ones
A small handful of nuts a day
Legumes, such as lentils, chickpeas or beans, at least once a week
Fish once or twice a week
No more than 300 g of meat a week

Why the Mediterranean Diet Stands Out

These targets closely match the Mediterranean diet, one of the most extensively studied dietary patterns. In Spain's PREDIMED trial of 7,447 adults at high risk of heart disease, a Mediterranean diet with extra olive oil or nuts led to a roughly 30% lower relative risk of heart attacks, strokes and cardiovascular deaths over about five years than a lower-fat diet (8).

How Much Protein Do You Need After 65?

Muscles respond less to protein as we get older, so you need a little more of it to maintain them. The European Food Safety Authority (EFSA) sets 0.83 g per kilo of body weight a day for adults in general (9).

For people over 65, the PROT-AGE expert group recommends 1.0 to 1.2 g/kg for healthy older adults, at least 1.2 g/kg for those who exercise regularly, and 1.2 to 1.5 g/kg for most people with an acute or chronic illness. The group also suggests around 25 to 30 g at each main meal (10). For an active person weighing 70 kg, that's at least 84 g a day. The exception is severe kidney disease, where protein may need to be limited, so check with your doctor if that applies to you (10). We look at the arguments for and against in a previous article.

Pillar 3: Recovery

How Much Sleep Do You Need for Healthy Ageing?

Most adults need seven hours or more (11), and regularity matters too. In a UK study of about 61,000 adults who wore activity trackers, those with more regular sleep had a 20 to 48% lower risk of death than the least regular group, and regularity predicted mortality better than sleep duration did (12). It's an observational study, so it shows a link rather than cause, but a steady wake time, weekends included, is a simple place to start. Sleep also supports memory, with deep slow-wave sleep playing an important part in stabilising newly learned information (13).

What Helps With Everyday Stress?

Simple breathing exercises are one practical option. In a month-long Stanford study of 108 mostly young people, five minutes a day of cyclic sighing (two short breaths in through the nose, one long breath out through the mouth) lifted mood more than meditating for the same time. The study also tested box breathing, and cyclic sighing gave the largest improvement (14). It measured short-term mood rather than ageing, but it's an easy habit to try.

Why Do Friends and Family Matter for Longevity?

A review of 148 studies covering more than 300,000 people found that stronger social ties were associated with a 50% greater likelihood of survival over the study periods, an effect the authors compared with quitting smoking (15). Treat time with friends and family as a health habit.

Pillar 4: Cognition

How Can You Keep Your Brain Sharp as You Age?

The 2024 Lancet Commission estimated that tackling 14 modifiable risk factors, among them hearing loss, high blood pressure and social isolation, could prevent or delay nearly half of dementia cases (16).

Sustained, demanding learning may also help. In the Synapse Project, 221 adults aged 60 to 90 spent 15 hours a week for three months on an assigned activity. Those who learned a demanding new skill, such as digital photography or quilting, improved their episodic memory (memory for events and experiences), while those doing word puzzles or social activities did not (17).

Pillar 5: Prevention

Which Health Checks and Screenings Should You Keep Up With?

This is the pillar people skip most, because they feel fine. High blood pressure rarely causes symptoms, and in 2019, 41% of women and 51% of men with hypertension worldwide didn't know they had it (18). Cholesterol and blood sugar are the other markers worth keeping an eye on, and the Lancet Commission highlights high LDL cholesterol from around age 40 as a risk factor for dementia (16). How often to test each depends on your age, medical history and national screening programme.

If you smoke, stopping is one of the most important changes you can make. Not smoking was one of the habits behind the extra healthy years in the Harvard study (1).

Ask your doctor which checks and cancer screenings suit your age and family history.

Where to Start

You don't need to change everything at once. Pick the pillar where you're furthest behind, whether that's a second strength session, a steadier wake time or the blood pressure check you've been putting off, and build from there.

Once those habits are established, some people choose to consider supplements for specific gaps or goals. They don't replace the pillars above. You can explore our healthy ageing and longevity range when you're ready. If you take medication or have a medical condition, check with your doctor or pharmacist before starting any supplement.

Literature Sources

Li Y, Schoufour J, Wang DD, Dhana K, Pan A, Liu X, et al. Healthy lifestyle and life expectancy free of cancer, cardiovascular disease, and type 2 diabetes: prospective cohort study. BMJ. 2020;368:l6669. https://doi.org/10.1136/bmj.l6669
Bull FC, Al-Ansari SS, Biddle S, Borodulin K, Buman MP, Cardon G, et al. World Health Organization 2020 guidelines on physical activity and sedentary behaviour. British Journal of Sports Medicine. 2020;54(24):1451-1462. https://doi.org/10.1136/bjsports-2020-102955
Mitchell WK, Williams J, Atherton P, Larvin M, Lund J, Narici M. Sarcopenia, dynapenia, and the impact of advancing age on human skeletal muscle size and strength; a quantitative review. Frontiers in Physiology. 2012;3:260. https://doi.org/10.3389/fphys.2012.00260
Momma H, Kawakami R, Honda T, Sawada SS. Muscle-strengthening activities are associated with lower risk and mortality in major non-communicable diseases: a systematic review and meta-analysis of cohort studies. British Journal of Sports Medicine. 2022;56(13):755-763. https://doi.org/10.1136/bjsports-2021-105061
Watson SL, Weeks BK, Weis LJ, Harding AT, Horan SA, Beck BR. High-intensity resistance and impact training improves bone mineral density and physical function in postmenopausal women with osteopenia and osteoporosis: the LIFTMOR randomized controlled trial. Journal of Bone and Mineral Research. 2018;33(2):211-220. https://doi.org/10.1002/jbmr.3284
Ding D, Nguyen B, Nau T, et al. Daily steps and health outcomes in adults: a systematic review and dose-response meta-analysis. The Lancet Public Health. 2025. https://doi.org/10.1016/S2468-2667(25)00164-1
Schäfer AC, Boeing H, Gazan R, Conrad J, Gedrich K, Breidenassel C, et al. A methodological framework for deriving the German food-based dietary guidelines 2024: food groups, nutrient goals, and objective functions. PLOS ONE. 2025;20(3):e0313347. https://doi.org/10.1371/journal.pone.0313347 (Guidelines: https://www.dge.de/english/fbdg/)
Estruch R, Ros E, Salas-Salvadó J, Covas MI, Corella D, Arós F, et al. Primary prevention of cardiovascular disease with a Mediterranean diet supplemented with extra-virgin olive oil or nuts. New England Journal of Medicine. 2018;378(25):e34. https://doi.org/10.1056/NEJMoa1800389
EFSA Panel on Dietetic Products, Nutrition and Allergies (NDA). Scientific opinion on dietary reference values for protein. EFSA Journal. 2012;10(2):2557. https://doi.org/10.2903/j.efsa.2012.2557
Bauer J, Biolo G, Cederholm T, Cesari M, Cruz-Jentoft AJ, Morley JE, et al. Evidence-based recommendations for optimal dietary protein intake in older people: a position paper from the PROT-AGE Study Group. Journal of the American Medical Directors Association. 2013;14(8):542-559. https://doi.org/10.1016/j.jamda.2013.05.021
Watson NF, Badr MS, Belenky G, Bliwise DL, Buxton OM, Buysse D, et al. Recommended amount of sleep for a healthy adult: a joint consensus statement of the American Academy of Sleep Medicine and Sleep Research Society. Sleep. 2015;38(6):843-844. https://doi.org/10.5665/sleep.4716
Windred DP, Burns AC, Lane JM, Saxena R, Rutter MK, Cain SW, et al. Sleep regularity is a stronger predictor of mortality risk than sleep duration: a prospective cohort study. Sleep. 2024;47(1):zsad253. https://doi.org/10.1093/sleep/zsad253
Rasch B, Born J. About sleep's role in memory. Physiological Reviews. 2013;93(2):681-766. https://doi.org/10.1152/physrev.00032.2012
Balban MY, Neri E, Kogon MM, Weed L, Nouriani B, Jo B, et al. Brief structured respiration practices enhance mood and reduce physiological arousal. Cell Reports Medicine. 2023;4(1):100895. https://doi.org/10.1016/j.xcrm.2022.100895
Holt-Lunstad J, Smith TB, Layton JB. Social relationships and mortality risk: a meta-analytic review. PLoS Medicine. 2010;7(7):e1000316. https://doi.org/10.1371/journal.pmed.1000316
Livingston G, Huntley J, Liu KY, Costafreda SG, Selbæk G, Alladi S, et al. Dementia prevention, intervention, and care: 2024 report of the Lancet standing Commission. The Lancet. 2024;404(10452):572-628. https://doi.org/10.1016/S0140-6736(24)01296-0
Park DC, Lodi-Smith J, Drew L, Haber S, Hebrank A, Bischof GN, et al. The impact of sustained engagement on cognitive function in older adults: the Synapse Project. Psychological Science. 2014;25(1):103-112. https://doi.org/10.1177/0956797613499592
NCD Risk Factor Collaboration (NCD-RisC). Worldwide trends in hypertension prevalence and progress in treatment and control from 1990 to 2019: a pooled analysis of 1201 population-representative studies with 104 million participants. The Lancet. 2021;398(10304):957-980. https://doi.org/10.1016/S0140-6736(21)01330-1