Midlife strength training linked to lower diabetes risk

23 Jun 2026, 19:00 · Medical Xpress

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Strength training may play an important role in reducing the risk of type 2 diabetes.

"This study highlights the importance of resistance training and exercise," said Dr. Shirin Jaggi, an endocrinologist at Northwell Health in Great Neck, New York, who reviewed the findings.

"We have seen in the past that exercise and physical activity have played a key component in preventing type 2 diabetes," she added in a news release, "But what we're seeing specifically now with the study is that resistance training plays such a key component in helping prevent prediabetes and type 2 diabetes."

Researchers who followed more than 143,000 U.S. adults for up to 19 years found that people who consistently engaged in resistance training had significantly lower rates of type 2 diabetes.

Compared with those who did no resistance training, adults who performed at least two hours per week had a 27% lower risk of developing the disease.

The greatest benefit was seen among individuals who maintained resistance training throughout midlife, reducing their risk by 42%.

The study—published June 22 in JAMA Network Open — also found that diabetes risk was lowest among people who combined regular strength training with recommended levels of aerobic exercise and limited sedentary behaviors, such as watching television.

While one hour or more of resistance training per week meets public health guidelines, Jaggi said the findings suggest that long-term consistency may matter more than volume alone.

"Whether that's 30 minutes, whether that's one hour, whether that's two hours, once you build up to it, it's important to stay consistent on it," she said.

The study authors, who were led by Dr. Tianyue Zhang of Zheijiang University School of Medicine in China, recommend including resistance training in diabetes prevention guidelines.

Publication details

Tianyue Zhang et al, Long-Term Resistance Training and Risk of Type 2 Diabetes, JAMA Network Open (2026). DOI: 10.1001/jamanetworkopen.2026.19420

UCLA Health has more on resistance training and prediabetes.

Journal information: JAMA Network Open

Key medical concepts

Diabetes Type 2Resistance TrainingAerobic ExercisesPrediabetes

Clinical categories

EndocrinologyFitness & Physical activityPreventive medicineCommon illnesses & PreventionHealthy living Who's behind this story?

Gaby Clark

MA in English, copy editor since 2021 with experience in higher education and health content. Dedicated to trustworthy science news. Full profile →

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