Quick answer: Strength training is one of the most valuable habits for healthy aging. It builds muscle, strengthens bones, improves blood sugar control, supports heart health, sharpens thinking and lifts mood. Two or more sessions a week that work all major muscle groups, gradually increasing the challenge, is a great goal for most adults.
Key takeaways
Strength training builds muscle and bone and can improve blood sugar control and heart health.
It is also linked with sharper thinking and better mood, which makes it valuable for the brain as well as the body.
Two or more sessions a week that work all major muscle groups and gradually increase the challenge is a common goal.
Physical and metabolic benefits
Strength training builds more muscle, which burns more energy at rest, and stronger bones, since loading stimulates bone-building cells. It supports better insulin sensitivity, since muscle uses blood sugar, along with lower blood pressure, healthier lipids and less visceral fat, plus better balance and fewer falls.
Brain and mood benefits
As the nervous system adapts, coordination improves, and strength training supports neuroplasticity and brain growth factors. It is linked with sharper memory, attention and planning, the release of dopamine and serotonin that lift mood, and better stress resilience and sleep.
How to start
Aim for two or more sessions a week covering legs, hips, back, chest, shoulders and arms. Start with bodyweight or light weights and focus on form, then gradually increase weight or repetitions (progressive overload).
Include balance work, and get guidance if you have joint problems, osteoporosis or heart conditions.
Pair strength training with enough protein to build muscle (see muscle health after 40).
Strength training and healthy aging
Muscle acts like an organ that sends anti-inflammatory signals (myokines) throughout the body. Strength training improves mitochondrial function, keeps nutrient-sensing pathways responsive to protein, and activates muscle stem cells. It may counter several core aging processes at once. Related: osteoporosis prevention and movement for optimal health.
When to see a naturopathic doctor
It may be time to see a naturopathic doctor if you want to start strength training but have health conditions, or if you have osteoporosis, arthritis or chronic pain. The same is true if you want a healthy-aging plan that includes exercise and nutrition, or if you are losing strength or balance.
See a medical provider promptly for chest pain, severe shortness of breath or dizziness during exercise.
Want a longevity plan built around strength?
A free 15-minute consultation with Dr. Kneessi. No cost, no obligation. In-office in Odenton, MD or by telehealth.
Questions to bring to your clinician
These questions can help you get the most out of your next visit.
Is it safe for me to start strength training, and how should I build up the challenge?
How could strength training fit into my current daily routine in a realistic way?
Are there any health conditions or medications that would change how I approach strength training?
What would be a sensible way for me to track how strength training is going?
Frequently asked questions
How often should older adults strength train?
At least two days a week, working all major muscle groups.
Is it safe to lift weights after 60?
Yes, for most people, with good form and gradual progression. Get guidance if you have health conditions.
Does strength training help the brain?
Research links strength training with better memory and executive function.
Do I need a gym?
No. Bodyweight exercises, resistance bands and dumbbells at home work well.
Sources
- 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. Br J Sports Med 2022. PMID: 35228201. https://pmc.ncbi.nlm.nih.gov/articles/PMC9209691/
- Gordon BR, et al. Association of Efficacy of Resistance Exercise Training With Depressive Symptoms: Meta-analysis and Meta-regression Analysis of Randomized Clinical Trials. JAMA Psychiatry 2018. PMID: 29800984. https://pmc.ncbi.nlm.nih.gov/articles/PMC6137526/
- Bull FC, et al. World Health Organization 2020 guidelines on physical activity and sedentary behaviour. Br J Sports Med 2020. PMID: 33239350. https://pmc.ncbi.nlm.nih.gov/articles/PMC7719906/
- Watson SL, et al. 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. J Bone Miner Res 2018. PMID: 28975661. https://pubmed.ncbi.nlm.nih.gov/28975661/
- Pedersen BK, Febbraio MA. Muscles, exercise and obesity: skeletal muscle as a secretory organ. Nat Rev Endocrinol 2012. PMID: 22473333. https://pubmed.ncbi.nlm.nih.gov/22473333/
- National Institute on Aging: Four Types of Exercise
- MedlinePlus: Exercise for Older Adults
This article is for educational purposes only and is not medical advice. It does not replace an individual evaluation. Talk with your healthcare provider before starting supplements or changing medications, especially if you are pregnant, nursing, or managing a health condition.
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