In short:
- Regular strength training is linked to up to 10–17% lower all-cause mortality (Momma, 2022).
- Muscle strength and muscle mass decline with age, but training in the gym slows this process (Cruz-Jentoft, 2019).
- The gym takes little time – even a couple of workouts a week bring measurable health benefits.
- Investing in strength training pays off in the form of longevity and an independent quality of life.
Why is the gym the best long-term investment in your health?
To see why the gym is the best investment in your health, you have to look beyond the mirror: strength training directly affects how long and how independently we live. Unlike many health products, the muscle strength and bone density you build in training don’t wear out quickly – they are an asset that lasts for decades. That is exactly why health authorities regard strength training as one of the habits with the best return.
Studies show that muscle-strengthening training is linked to a roughly 10–17% lower risk of death from cardiovascular disease, cancer or other causes (Momma, 2022). A separate analysis of resistance training found that regular strength training is associated with roughly 21% lower all-cause mortality (Saeidifard, 2019). These numbers make the gym a rare find: a low-cost step with a big impact. If you want the broader picture, also see the article How to invest in your health.
How does the gym protect your body as you age?
With age, muscle mass and strength decline – a condition called sarcopenia. The European consensus (EWGSOP2) emphasizes that a drop in muscle strength in particular is the most accurate predictor of falls, frailty and loss of independence (Cruz-Jentoft, 2019). Muscle strength is, in turn, a strong predictor of all-cause mortality: people with lower strength have a higher risk of premature death (García-Hermoso, 2018).
The gym is a practical place to slow this decline, because you can increase the training load there systematically and safely. The World Health Organization recommends that adults do muscle-strengthening exercises at least twice a week, and that older adults add balance and strength exercises to prevent falls (see WHO Healthy Ageing). The gym meets exactly this need well.
How much time and money does the gym actually require?
A common belief is that health benefits require hours of training. In reality, most of the benefit is already linked to a moderate volume: muscle-strengthening activity for about 30–60 minutes a week brings a noticeable drop in mortality risk, and very high volumes add little extra benefit (Momma, 2022). That means the gym fits even into a fast-paced lifestyle.
Financially, a monthly gym membership is usually smaller than many one-off health expenses, while the result – a stronger body and a lower risk of disease – builds up over the years. You can also combine training with other health-supporting habits: read more in the articles Fasting and the gym and Chess & the gym, which show how strength training fits together with nutrition and mental fitness.
Who is the gym for and when should you start?
Strength training suits people of practically any age, because the training load can be adjusted to a beginner’s level. The biggest gains often go to those who start early and stay consistent, but starting later also brings real benefits for muscle strength and everyday functioning. If you simply feel like a tougher challenge, see how the gym supports other disciplines too in the article Extreme sports and the gym.
If you have a chronic illness or an injury, it is worth going through your training program with a doctor or physiotherapist before you start. As a general rule, though, the same principle applies as in investing: the earlier you start and the more regularly you contribute, the greater the compound interest – in this case in the form of health and independence.
References
- Momma H, et al. (2022). Muscle-strengthening activities are associated with lower risk and mortality in major non-communicable diseases. British Journal of Sports Medicine. PMID: 35228201
- Saeidifard F, et al. (2019). The association of resistance training with mortality: A systematic review and meta-analysis. European Journal of Preventive Cardiology. PMID: 31228942
- García-Hermoso A, et al. (2018). Muscular strength as a predictor of all-cause mortality in an apparently healthy population. Archives of Physical Medicine and Rehabilitation. PMID: 29425700
- Cruz-Jentoft AJ, et al. (2019). Sarcopenia: revised European consensus on definition and diagnosis (EWGSOP2). Age and Ageing. PMID: 30312372
Frequently asked questions
Why is the gym a better investment than expensive supplements?
Muscle strength and bone density built in the gym last for years and are linked to a lower risk of mortality, whereas many supplements offer limited or unproven benefit.
How much do I need to train per week to benefit?
As little as about 30–60 minutes of muscle-strengthening training a week delivers measurable health benefits, and very high volumes add little extra benefit (Momma, 2022).
Is the gym suitable for older adults too?
Yes. Strength training slows sarcopenia, the loss of muscle mass, and helps prevent falls and maintain independence (Cruz-Jentoft, 2019).
Do I need to talk to a doctor before starting?
A healthy adult can usually start carefully on their own, but if you have a chronic illness or an injury, it is worth going through your program with a doctor or physiotherapist.
Come and train! ArtGym

