Mixed
Engaging in weight training for at least 150 minutes per week is independently associated with a 34% lower risk of developing type 2 diabetes in men, regardless of aerobic exercise levels.
Aim for 150 minutes of weight training per week to significantly lower your risk of type 2 diabetes. You do not need to do this alongside cardio to get the benefit, though combining them offers the greatest protection. Focus on consistency over intensity since the specific type of weight training was not defined in this study.
Engaging in weight training or aerobic exercise for at least 150 minutes per week was independently associated with a lower risk of T2DM of 34% (95% CI, 7%-54%)...
Why this rating
Large prospective cohort (32,002 men), long follow-up (18 years), multivariable adjustment, but observational design limits causal inference compared to RCTs.
Source
A Prospective Study of Weight Training and Risk of Type 2 Diabetes Mellitus in Men
Anders Grøntved et al. · Archives of Internal Medicine · 2012
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