At a glance:
- Regular training reduces symptoms of depression and anxiety and relieves stress.
- Strength training is as effective as aerobic activity in supporting mental well-being.
- WHO recommends 150–300 minutes of moderate physical activity per week for adults, some of which could take place at the gym.
- Just 2–3 gym workouts a week have a measurable effect on mood.
Training and mental health are more closely connected than you might think: physical activity does more than strengthen your muscles and heart — it also directly affects your mood, ability to cope with stress and sleep quality. The gym is a practical tool here, combining a structured training load with routine and a social environment. In this overview, we explore what the scientific evidence says about the link between training and mental well-being.
How are training and mental health connected?
Training and mental health are linked through several biological and psychological mechanisms: physical activity affects stress hormone levels, improves blood flow to the brain and supports neural plasticity. A large meta-analysis of prospective studies found that physically active people had a significantly lower risk of developing depression than those who were less active (Schuch et al., 2018). Physical activity also has an immediate psychological effect — a sense of achievement and a shift in attention away from your worries.
If you are looking for somewhere to start, this overview of what a gym in Pärnu has to offer may help you find a place where you can ease into a training routine.
Does strength training help with stress and anxiety?
Yes. Alongside aerobic activity, strength training also has a clear effect. A meta-analysis of randomized controlled trials showed that strength training significantly reduced anxiety symptoms in both healthy adults and adults with health conditions (Gordon et al., 2017). Another analysis found that strength training reduced depressive symptoms regardless of how much muscle strength actually improved (Gordon et al., 2018). This suggests that some of the benefits come from the psychological and neurobiological effects of training, rather than physical fitness alone.
Consciously balancing your training load and recovery also helps you manage stress. For example, it is worth thinking through your nutrition and timing choices, including fasting and the gym, so that training leaves you energized rather than exhausted. Your everyday diet as a whole deserves similar attention — even a seemingly minor factor such as salt and health affects how you feel and recover.
How much should you train to improve your mental health?
WHO recommends 150–300 minutes of moderate-intensity or 75–150 minutes of vigorous-intensity aerobic activity per week for adults, plus muscle-strengthening training on at least two days (WHO, 2020). Studies have found benefits for anxiety and mood even with moderate amounts of activity, and smaller amounts are still better than inactivity (Stubbs et al., 2017). In practice, this means that 2–3 gym workouts a week, alongside a couple of walking or cardio sessions, are a realistic and effective starting point.
Keeping your training varied also helps you stay mentally fresh. Some people combine physical and mental training — for example, the combination of chess & the gym shows how physical and cognitive effort can complement each other.
When should you seek professional help?
Training provides substantial support, but it does not replace treatment. If low mood, anxiety or sleep problems last for weeks and interfere with your daily life, you should see your family doctor or a mental health professional. You can find reliable information about mental health and physical activity on the World Health Organization website.
References
- Schuch FB et al. (2018). Physical Activity and Incident Depression: A Meta-Analysis of Prospective Cohort Studies. American Journal of Psychiatry. PMID: 29690792
- Gordon BR et al. (2017). The Effects of Resistance Exercise Training on Anxiety: A Meta-analysis and Meta-regression Analysis of Randomized Controlled Trials. Sports Medicine. PMID: 28819746
- Gordon BR et al. (2018). Association of Efficacy of Resistance Exercise Training With Depressive Symptoms: Meta-analysis and Meta-regression. JAMA Psychiatry. PMID: 29800984
- Stubbs B et al. (2017). An examination of the anxiolytic effects of exercise for people with anxiety and stress-related disorders: A meta-analysis. Psychiatry Research. PMID: 28088704
- World Health Organization (2020). WHO Guidelines on Physical Activity and Sedentary Behaviour. WHO. DOI: 10.1136/bjsports-2020-102955
Frequently asked questions
Does training help relieve stress immediately?
Often, just one workout provides a short-term mood boost and stress relief, but lasting benefits develop with regular training over several weeks.
Which is better for mental health — strength training or cardio?
Both work. Studies show that both aerobic activity and strength training reduce symptoms of anxiety and depression, so combining them is worthwhile.
How much should you train each week?
WHO recommends 150–300 minutes of moderate physical activity per week plus muscle-strengthening training on at least two days, but even smaller amounts are better than inactivity.
Can going to the gym make your mental health worse?
An excessive training load without recovery can increase fatigue and stress. A balance between training, sleep and nutrition is important.
Can training replace treatment for depression?
No. Training provides valuable support, but if your symptoms persist or are severe, you should see your family doctor or a mental health professional.
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