If you think sweating it out on the treadmill is the best way to get fit and improve your health, think again. Strength training, also known as resistance training, such as lifting weights, using resistance bands, or doing bodyweight exercises, packs powerful health benefits that go far beyond building visible muscle. Recent research shows strength training can play a central role in preventing chronic disease, improving mental health, and boosting longevity.
Why strength training matters
Skeletal muscle is a metabolic workhorse: it clears glucose from the bloodstream and improves insulin sensitivity. Multiple recent analyses show that regular resistance training lowers blood sugar (including meaningful reductions in HbA1c), improves insulin sensitivity, and reduces other cardiometabolic risk factors such as blood pressure and blood lipids.
One large body of evidence suggests combining resistance work with aerobic exercise yields the biggest overall benefits, but resistance training alone offers significant protection, too — including a lower risk of developing type 2 diabetes.
Health benefits of strength training
- Better blood sugar control: Strength training helps muscles take up glucose, which reduces diabetes risk and improves management for people with diabetes.
- Healthier body composition: Resistance work increases lean mass and reduces body fat, which supports metabolism and physical function.
- Cardiovascular benefits: Studies report modest reductions in blood pressure and improved cholesterol profiles with regular resistance training.
- Longevity and daily function: Epidemiological evidence links regular strength training to lower all-cause and cardiovascular mortality and better physical function as we age.
- Mental health and quality of life: Resistance exercise is associated with improvements in mood, sleep, and cognitive function.
How to start (and stick with it)
Guidelines from major health organizations recommend doing muscle-strengthening activities at least two days per week, working all major muscle groups.
- Start light, focus on proper form, and progress slowly — add weight or reps as movements become easier.
- If you’re new, consider a trainer for a few sessions to learn technique and build confidence.
- Short, consistent sessions (even 30 minutes, two to three times weekly) deliver meaningful benefits.
Bottom line: Strength training is not just for athletes or bodybuilders. It’s a practical, evidence-based way to lower chronic disease risk, improve everyday function, and support long-term health. Adding regular resistance work to your routine is one of the most efficient investments you can make in your wellbeing.
Sources:
“Lifting weights may beat running at preventing diabetes, study finds,” by HealthDay, U.S. News & World Report (www.usnews.com), November 11, 2025
“The importance of exercise for glycemic control in type 2 diabetes,” by US Afsheen Syeda, Daniel Battillo, Aayush Visaria, and Steven K. Malin, American Journal of Medicine Open, (www.sciencedirect.com) January 18, 2023.
“Resistance Exercise Training in Individuals With and Without Cardiovascular Disease: 2023 Update: A Scientific Statement From the American Heart Association,” by Amanda E. Paluch, et al, Circulation (www.ahajournals.org), December 7, 2023.
“Exercise/Physical Activity in Individuals with Type 2 Diabetes: A Consensus Statement from the American College of Sports Medicine,” by Jill A. Kanaley, et al, Medicine & Science in Sports & Exercise, (journals.lww.com), February 1, 2022.
“Weight training and risk of all-cause, cardiovascular disease and cancer mortality among older adults,” by Prathiyankara Shailendra, et al, International Journal of Epidemiology (academic.oup.com), June 3, 2024.
