Exercise May Improve Brain Health, Mental Fitness and Emotional Well-Being Across the Lifespan
Physical activity may enhance cognition, reduce psychiatric symptoms, support addiction recovery and strengthen social connections, according to a Harvard psychiatrist presenting at the American College of Lifestyle Medicine annual meeting.
1-Minute Summary
- Exercise may improve attention, working memory, cognitive flexibility, decision-making and emotional regulation.
- Physical activity may help alleviate symptoms associated with ADHD, depression, anxiety and stress.
- Dancing, tennis, pickleball and other coordination-intensive activities may provide additional cognitive benefits by requiring continuous movement, balance and rapid decision-making.
- Resistance training, particularly exercises involving the legs and major muscle groups, may stimulate neurotrophic and vascular growth factors associated with brain health.
- Exercise may help preserve cognitive function and support prevention strategies for neurodegenerative disorders, including Alzheimer disease.
- A balanced exercise routine should incorporate aerobic activity, strength training, balance, coordination and enjoyable movement.
- Adults should aim for 150 minutes of moderate-intensity or 75 minutes of vigorous-intensity physical activity weekly, alongside muscle-strengthening activities.
Why This Matters
Mental health disorders, cognitive decline, neurodegenerative diseases and social isolation represent substantial challenges across the lifespan.
Although exercise is commonly recommended for cardiovascular and metabolic health, its potential neurological and psychiatric benefits are increasingly recognized.
Physical activity may influence brain function through several interconnected mechanisms, including neuroplasticity, changes in neurotrophic signaling, improved vascular function, modulation of inflammation and enhanced social engagement.
These effects suggest that exercise can be an important component of comprehensive lifestyle medicine strategies for promoting mental fitness, preserving cognition and supporting emotional well-being.
Importantly, exercise should be considered an adjunct to appropriate medical treatment rather than a replacement for established psychiatric or neurological therapies.
Conference Highlights
During a keynote presentation at the American College of Lifestyle Medicineโs annual meeting in Orlando, John J. Ratey, MD, associate clinical professor of psychiatry at Harvard Medical School, discussed the expanding understanding of exercise-related changes in brain function.
Ratey emphasized the close relationship between movement and cognition, describing the thinking brain as:
โThe thinking brain is the evolutionary internalization of movement.โ
He explained that physical activity stimulates neuronal activity and may contribute to strengthening connections between nerve cells.
โWhen youโre moving, you are acting on your thinking brain.โ
According to Ratey, repeated neuronal activation can promote adaptive changes in neural connections, supporting the biological foundations of learning, memory and cognitive function.
Study at a Glance
| Feature | Details |
|---|---|
| Evidence type | Conference keynote presentation and scientific discussion |
| Presenter | John J. Ratey, MD |
| Affiliation | Harvard Medical School |
| Conference | American College of Lifestyle Medicine annual meeting |
| Location | Orlando, Florida |
| Presentation dates | November 8โ11, 2026 |
| Participants | Not applicable; no individual study cohort reported |
| Intervention | Various forms of physical activity and exercise |
| Comparator | Not applicable; no specific comparative trial presented in the report |
| Primary outcome | Not specified |
| Main findings | Exercise may benefit cognition, mental health, emotional regulation and social connectedness |
| Follow-up | Not applicable |
| Study design | Not an RCT, cohort study or meta-analysis |
| Original research | No original trial results reported in the article |
Note: The report summarizes a scientific presentation and discusses evidence from the broader exercise and brain-health literature. It does not provide a single experimental dataset.
What the Researchers Found
1. Exercise May Enhance Cognitive Function
Physical activity may benefit several executive and cognitive functions essential for daily activities, academic performance and professional functioning.
Ratey highlighted improvements in:
- Working memory
- Attention
- Self-control
- Decision-making
- Cognitive flexibility
Cognitive flexibility, in particular, enables individuals to adapt their thinking, switch between tasks and respond effectively to changing circumstances.
Ratey emphasized the importance of these capabilities in an increasingly technology-driven environment, including the emerging artificial intelligence era.
2. Physical Activity May Improve ADHD Symptoms
Exercise may be particularly beneficial for individuals with attention-deficit/hyperactivity disorder (ADHD).
The condition commonly involves difficulties with attention, impulsivity and behavioral regulation.
Physical activity may help improve:
- Attentional control
- Executive functioning
- Impulse regulation
- Emotional regulation
- Behavioral self-management
Ratey highlighted movement as an important strategy for supporting brain function in individuals experiencing ADHD-related symptoms.
Exercise should nevertheless complement, rather than replace, evidence-based ADHD treatment.
3. Exercise May Reduce Depression, Anxiety and Stress
Physical activity may contribute to improved psychological well-being by reducing depressive and anxiety symptoms while strengthening resilience.
Potential benefits include:
- Improved mood
- Reduced psychological stress
- Better emotional regulation
- Enhanced resilience to stressful situations
- Improved overall psychological well-being
Exercise may also help reduce mood fluctuations associated with hormonal changes.
These findings support the inclusion of physical activity in comprehensive approaches to mental health promotion and treatment.
4. Exercise May Preserve Cognition and Support Brain Aging
Ratey also discussed the potential role of exercise in preventing or delaying cognitive decline associated with neurodegenerative disorders.
Physical activity has been associated with preservation of cognitive function and changes in brain structure, including gray matter and white matter.
Ratey described evidence suggesting that exercise may help preserve both:
- Gray matter: Important for neuronal processing, cognition and information integration.
- White matter: Important for communication between different brain regions through neuronal connections.
Although these findings support exercise as a strategy for healthy brain aging, they should not be interpreted as evidence that exercise definitively prevents Alzheimer disease in every individual.
5. Exercise May Support Addiction Recovery
Physical activity may also contribute to addiction recovery by helping reduce cravings.
Potential mechanisms include improvements in mood, stress regulation and reward-related processes.
Exercise may therefore serve as a supportive component of addiction treatment programs, alongside established behavioral and pharmacological interventions.
6. Exercise May Improve Immune Function
Physical activity can influence immune function through increased circulation of immune cells and modulation of inflammatory processes.
Ratey highlighted exercise-related improvements in immune activity and reductions in persistent low-grade inflammation associated with aging.
These changes may contribute to broader health benefits, including improved resilience and healthier aging.
Which Exercises May Provide the Greatest Brain Benefits?
Ratey highlighted several forms of physical activity that combine cardiovascular exercise with coordination, balance, decision-making or social interaction.
| Exercise | Potential brain-related benefits |
|---|---|
| Dancing | Coordination, balance, rhythm, cardiovascular fitness and cognitive engagement |
| Pickleball | Movement, rapid decision-making, emotional regulation and social connectedness |
| Tennis | Tactical adjustments, reaction time, coordination and cardiovascular fitness |
| Table tennis | Rapid visual processing, coordination, reaction time and decision-making |
| Resistance training | Muscle strength and stimulation of growth-related signaling pathways |
| Leg-strengthening exercises | Activation of muscle-related physiological pathways associated with brain health |
| Aerobic exercise | Cardiovascular fitness, vascular health and potential cognitive benefits |
Dancing: A Particularly Engaging Brain Exercise
Ratey described dancing as an undervalued activity for improving mood and thinking.
He explained that dancing challenges the brain through rapid and continuous coordination, rhythm and balance.
According to Ratey, dancing:
โIs undervalued in terms of its effects on our moods and thinking because it challenges the brain a lot more than anything else.โ
The combination of physical movement, rhythm and coordination makes dancing an engaging activity that may support cognitive and emotional health.
Pickleball and Other Social Sports
Pickleball and other paddle-based sports require players to respond rapidly to changing conditions.
Participants must continuously adjust their movements, anticipate opponentsโ actions and make decisions under time pressure.
Ratey highlighted pickleball as an activity that:
โImproves emotional regulation, empathy and social awareness.โ
These activities also facilitate social interaction, which may provide additional psychological and health-related benefits.
Exercise, Social Connection and Longevity
Physical activity can improve brain health not only through physiological mechanisms but also by promoting social engagement.
Group exercise, dancing and recreational sports provide opportunities for meaningful social interaction and community participation.
Ratey highlighted the health consequences associated with social isolation and loneliness.
According to the figures cited in his presentation:
| Exposure | Associated increase in risk |
|---|---|
| Social isolation | 35% higher mortality risk |
| Loneliness | 31% higher dementia risk |
These figures were cited during the presentation and should not be interpreted as causal estimates generated by a new exercise trial.
The findings nevertheless underscore the importance of social connectedness as a component of healthy aging.
Biological Mechanisms Linking Exercise to Brain Health
Exercise may influence brain function through multiple biological pathways.
| Biological factor | Potential relevance to brain health |
|---|---|
| Brain-derived neurotrophic factor (BDNF) | Supports neuronal survival, synaptic plasticity and learning-related processes |
| Insulin-like growth factor 1 (IGF-1) | Participates in growth-related signaling and may support neuroplasticity |
| Vascular endothelial growth factor (VEGF) | Promotes angiogenesis and vascular adaptations |
| Improved vascular function | Supports cerebral blood flow and physiological brain function |
| Reduced chronic inflammation | May contribute to healthier aging and neurological resilience |
| Increased neuronal activity | Supports adaptive changes in neural connections |
Ratey specifically highlighted the potential importance of leg and muscle training in activating factors such as IGF-1, VEGF and BDNF.
These mechanisms provide biological plausibility for exercise-related improvements in cognition and neurological function.
Recommended Exercise Routine for Brain Health
Ratey recommended a comprehensive exercise routine incorporating aerobic activity, strength training, balance, coordination and rhythm-based activities.
The presentation highlighted the following weekly targets:
| Exercise category | Recommendation |
|---|---|
| Moderate-intensity physical activity | 150 minutes weekly |
| Vigorous-intensity physical activity | 75 minutes weekly |
| Resistance training | Include regularly |
| Balance and coordination | Include regularly |
| Dancing and rhythm-based activities | Include when enjoyable |
| Social or recreational exercise | Encourage participation |
These aerobic targets are consistent with widely used physical activity recommendations for adults.
A balanced routine should be individualized according to age, physical fitness, medical conditions, functional limitations and personal preferences.
Ratey emphasized the importance of enjoyment and adherence:
โDo something thatโs fun, so you come back to doing it.โ
Clinical Significance
The presentation reinforces the importance of physical activity as a multidimensional intervention for brain health.
Exercise may offer benefits extending beyond cardiovascular fitness to include cognitive performance, emotional well-being, neuroplasticity and social engagement.
For clinicians, these observations support incorporating physical activity counseling into routine preventive care and lifestyle medicine consultations.
Potential clinical applications include:
- Encouraging regular exercise in patients with depressive or anxiety symptoms.
- Supporting physical activity as an adjunctive strategy in ADHD management.
- Promoting resistance training and aerobic exercise in older adults.
- Encouraging socially engaging physical activities to reduce isolation.
- Incorporating exercise into comprehensive strategies for healthy aging.
- Supporting physical activity as part of multidisciplinary addiction recovery programs.
The most appropriate exercise prescription should consider individual preferences, safety, physical limitations and treatment goals.
Limitations
Several limitations should be considered when interpreting the conference report.
- No original clinical trial: The report describes a keynote presentation rather than a newly published randomized controlled trial.
- No participant-level data: Sample sizes, baseline characteristics and individual study populations were not provided.
- No quantitative effect estimates: The report does not provide specific effect sizes, confidence intervals or statistical comparisons for most exercise-related outcomes.
- Heterogeneous evidence: The discussed benefits may arise from different studies involving different exercise interventions, populations and outcome measures.
- Causality cannot be established from the report: Associations between exercise, cognition and mental health do not necessarily establish causal relationships for every outcome.
- No formal evidence grading: The article does not provide a systematic review methodology or a formal assessment of the quality of evidence.
- Exercise is not a substitute for treatment: Patients with clinically significant psychiatric or neurological conditions may require established pharmacological, psychological or multidisciplinary interventions.
What Doctors Should Know
- Physical activity should be considered an important component of preventive medicine and lifestyle-based health counseling.
- Exercise prescriptions should include aerobic activity, resistance training and functional components such as balance and coordination.
- Social and recreational exercise may improve adherence by making physical activity more enjoyable.
- Exercise can complement treatment for depression, anxiety and ADHD but should not replace evidence-based care.
- Older adults may benefit from individualized exercise programs designed to maintain strength, mobility and cognitive health.
- Patients with cardiovascular disease, musculoskeletal limitations or significant neurological impairment may require tailored exercise recommendations.
- Clinicians should encourage sustainable physical activity rather than focusing exclusively on high-intensity exercise.
Bottom Line
Exercise may provide substantial benefits for brain health throughout life, extending beyond physical fitness to include cognition, emotional regulation, mental health and social connectedness.
Dancing, pickleball, tennis, aerobic exercise and resistance training may offer complementary benefits by combining movement, coordination, cardiovascular activity, muscle activation and social engagement.
For clinicians, incorporating regular physical activity into preventive counseling and comprehensive treatment plans represents an important opportunity to promote mental fitness and healthy aging.
The practical message is straightforward: choose enjoyable activities, remain physically active consistently and combine aerobic exercise with strength, balance and coordination training.
Original Research / DOI
DOI: Not provided.
Conference presentation:
Ratey J. SPARK: The next chapter โ Exercise, mental fitness, and human flourishing. Presented at: Lifestyle Medicine Conference; November 8โ11, 2026; Orlando, Florida.
Disclosures: Ratey reported no relevant financial disclosures.
