Summary: In obese postmenopausal women, a 12-week programme of high-intensity interval training plus mindfulness breathing improved sex hormones, insulin resistance, lipids, and the tumour markers CEA and CA125 compared with medication alone, while the control group worsened across the same measures.
PICO Summary
| Element | Detail |
|---|---|
| Population | 70 obese postmenopausal women aged 55–65, BMI 35–44.9 kg/m². |
| Intervention | 12-week HIIT plus mindfulness breathing, added to standard medication. |
| Comparison | Standard medication only, without exercise or mindfulness. |
| Outcome | Intervention group: significant reductions (p<0.001) in weight, BMI, free and total testosterone, estradiol, HOMA-IR, total cholesterol, triglycerides, TC/HDL, CEA and CA125, with increased SHBG and HDL. Control group worsened across these markers. |
HIIT + Mindfulness Breathing in Obese Postmenopausal Women
RCT · postmenopausal obesity · 12 weeks
HIIT plus mindfulness breathing cut HOMA-IR from 2.65 to 1.24, while the medication-only control rose from 2.63 to 2.91. Metabolic and hormonal gains are credible; the cancer-marker framing is not.
Expert Commentary
That exercise helps obese postmenopausal women is not in doubt, so the direction of these results is exactly what I would predict, and the metabolic and hormonal improvements are entirely believable. Where my enthusiasm cools is the framing. The headline leans on falling CEA and CA125 and the word anticarcinogenic, and I think that overreaches, because these are nonspecific markers whose movement tells me nothing reliable about a woman’s actual cancer risk. The detail that makes me most cautious about the size of the effect is that the control group did not merely stay flat, it deteriorated across every parameter, which inflates the between-group difference and hints at an unsupervised, unblinded comparison rather than a clean test of the intervention. I also cannot separate the HIIT from the breathing, so I do not know what is doing the work. Can I use this with my patients? Yes for the underlying message, which is that structured high-intensity exercise belongs in the prescription for this group, not in the optional-advice column. I would simply present it as solid metabolic and hormonal benefit and quietly drop the cancer-marker claims until something with hard endpoints supports them.
References
Nagy EN, Shafiek M, Elsheimy H, Mogahed HG, Elsayed MM. High-intensity interval training and mindfulness breathing induce hormonal, metabolic, and anticarcinogenic effects in obese postmenopausal women: a randomized controlled trial. J Evid Based Integr Med. 2025;30:2515690X251372718. doi:10.1177/2515690X251372718