Picture someone who has been swinging a kettlebell five mornings a week for six years. Call him Dan. He is a composite rather than one real person, but his situation is a common one among people who train.
Training was the one part of Dan’s day that never negotiated with him. Warm up, work, finish, shower. When life got heavy, he trained harder, and for a long time that worked.
Then, around his forty-first birthday, it stopped. He still did the sessions. He still hit his numbers. But the lift in mood he used to get afterwards, the clear head and the loosened shoulders, wasn’t arriving. He was sleeping badly. He was short with his kids. Things he used to enjoy felt like errands. “I’m training like normal,” he told a friend at the gym. “So why do I feel like this?”
Exercise has real evidence behind it as a way to look after your mind. It also has limits. Knowing both can save months of grinding away at something that was never meant to carry everything alone.
What the Evidence Says About Exercise and Mood
The World Health Organization’s fact sheet on physical activity (June 2024) says that in adults, physical activity reduces symptoms of depression and anxiety. Its baseline for adults is at least 150 minutes of moderate-intensity activity per week, and it states that muscle strengthening benefits everyone.
A more detailed picture comes from a large 2024 review published in the BMJ. Researchers pooled 218 randomized trials involving 14,170 adults with depression and compared different types of exercise. Their headline conclusion: exercise is an effective treatment for depression, and several forms could be considered alongside psychotherapy and antidepressants as core treatments.
The review’s findings by type are worth knowing if you train with kettlebells:
- Walking or jogging showed the largest effect among the better-supported options
- Yoga was close behind
- Strength training also showed a clear benefit, and people were less likely to drop out of strength training and yoga than from comparison activities
- Mixed aerobic exercise and tai chi or qigong showed moderate effects
- Intensity mattered: vigorous exercise outperformed light activity
A separate meta-analysis looked only at resistance training, the category most kettlebell work falls into. Gordon and colleagues pooled 33 randomized trials with 1,877 participants and found that resistance training significantly reduced depressive symptoms. The effect held regardless of participants’ health status, and it didn’t depend on how much training they did.
For anyone who has wondered whether kettlebell training “counts” for mental health, this research says it does.
Why Exercise Isn’t the Whole Story
The same BMJ review is careful about how sure it can be. The authors rated their confidence in the evidence as low for walking or jogging and very low for the other types. Many of the underlying trials had weaknesses, such as participants who knew which treatment they were getting, and many studied particular groups, like older adults or people with other conditions.
The benefit is still real. The evidence behind it is limited, though, and the numbers describe averages across many people rather than a guarantee for any one person.
The trials also tested exercise as a treatment, comparing people given an exercise program with people who weren’t. They say little about someone who already trains five days a week and is still struggling. For someone in Dan’s position, the next step may be something other than more training.
It also matters how the review framed things. It didn’t say exercise replaces other care. It found that exercise combined with antidepressants, or aerobic exercise combined with psychotherapy, also showed moderate effects. The research supports training as one part of a plan.
If you’re still struggling after weeks of regular exercise, that is a reason to add something else to the plan, and it says nothing bad about your discipline.
Signs It May Be Time to Talk to Someone
Only a qualified professional can say what’s going on. But a few patterns are worth taking seriously, especially if they last more than a couple of weeks:
- Your usual training no longer lifts your mood, or you’re going through the motions
- Sleep has changed noticeably, either too little or too much
- You’re unusually irritable, anxious or flat
- Things you used to enjoy feel like effort
- You’re drinking more, withdrawing from people, or skipping responsibilities
- Your energy and concentration have dropped, and rest doesn’t fix it
None of these is a diagnosis. Together, they’re a reason to book an appointment rather than adding another session to your week.
What Dan Did Next
Dan didn’t quit training. He changed what he asked of it. He stopped treating the workout as a test of whether he was “okay,” and started treating it as one good habit among several. He kept the morning sessions and added a long walk with his kids on weekends.
He also started putting more precise words to how he felt. “Fine” and “tired” had been covering a lot of ground; “flat”, “resentful” and “under-recovered” were more useful. With some reluctance, he booked an appointment with a mental health professional.
He told the friend at the gym that he’d put off asking for help because he thought it meant something was badly wrong with him. The appointment itself was ordinary: a conversation, an assessment and a plan. Within a few weeks he was sleeping better, and the sessions started to feel like his again.
How to Use Training Alongside Support
If you’re already seeing a professional, exercise can fit in as a steady partner to treatment. A few practical ideas:
- Keep sessions manageable on hard weeks, and count a short workout as a win. If you want a low-barrier place to start, Cavemantraining™ has a short 12-minute kettlebell workout for days when energy is low
- If you’re newer to kettlebells, the site’s kettlebell beginner guide is a sensible way to build without overreaching
- For a reminder of why a consistent practice matters, see its article on the benefits of kettlebell training
- Learn to name what you feel more precisely. This guide to emotional literacy for men suggests replacing vague labels like “stressed” with specific words such as “overwhelmed” or “resentful”, pausing for a ten-second body scan in the morning, mid-afternoon and before bed, and setting aside ten minutes once a week to look back on what you noticed
- Tell your clinician what exercise you do, so they can factor it into your plan
- Notice the difference between training because you want to and training because you’re afraid to stop
- Protect your sleep, since a rough week of sleep makes every workout feel harder
Keep training, and let it be one support among several.
What a First Appointment Tends to Involve
Many people put off getting help because they picture something far bigger than it is. A first appointment with a mental health professional is usually a conversation. They’ll ask what’s been going on, how long, how you’re sleeping, what your days look like and what you’ve already tried. You can mention your training. You can say what you’re hoping for, and what you’re worried about.
From there, a clinician may suggest talking therapy, a medical review, a change in routine, or a combination. You’re not signing up for anything permanent by going once. It helps to arrive with a few notes: when you first noticed the change, what has helped or not helped, and any questions about options such as telehealth if your schedule is tight. Think of it the way you’d think of seeing a physio for a nagging shoulder. You’d rather hear what’s going on than keep training around it.
If you’re not sure where to begin, a family doctor is a good first step.
If you are ever in crisis or thinking about harming yourself, contact emergency services or a crisis line right away. In the US, call or text 988. Elsewhere, call your local emergency number or crisis line.
Sources
- Noetel M, et al. Effect of exercise for depression: systematic review and network meta-analysis of randomised controlled trials. BMJ. 2024;384:e075847. https://doi.org/10.1136/bmj-2023-075847
- Gordon BR, McDowell CP, Hallgren M, Meyer JD, Lyons M, Herring MP. Association of efficacy of resistance exercise training with depressive symptoms: meta-analysis and meta-regression analysis of randomized clinical trials. JAMA Psychiatry. 2018;75(6):566–576. https://doi.org/10.1001/jamapsychiatry.2018.0572
- World Health Organization. Physical activity (fact sheet, 26 June 2024). https://www.who.int/news-room/fact-sheets/detail/physical-activity
- Mind Body Optimization. Men and emotional literacy. https://mindbodyo.com/men-and-emotional-literacy/
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