#4-70E. Navigating Menopausal Weight Gain: The Power of Low-Insulinemic Diets (JAMA Netw Open, 2026)

How can we effectively combat the widespread issue of weight gain and increased adiposity during the menopausal transition in our daily clinical practice? Today’s episode delves into a comprehensive prospective cohort study evaluating multiple dietary patterns and their longitudinal associations with weight change and incident obesity among approximately 38,000 women over a 12-year peri-menopausal period. The study's most significant finding reveals that adopting low-insulinemic and Planetary Health Diet Index (PHDI) patterns—diets rich in plant-based foods like nuts and legumes while minimizing red meats and sodium—yields the most substantial reduction in weight gain and obesity risk. However, when critically appraising this evidence, it is crucial to consider its reliance on self-reported dietary assessments and the lack of body composition data, which prevents the essential differentiation between fat mass and lean muscle mass. For practicing physicians, these findings offer actionable evidence to transition beyond generic dietary advice, enabling targeted, evidence-based nutritional counseling during routine midlife care to optimize long-term cardiometabolic health in women.

Citation: Xia T, Zhang C, Hu FB. Optimal Dietary Patterns for Lower Weight Gain and Risk of Obesity Surrounding Menopause. JAMA Network Open. 2026. DOI: 10.1001/jamanetworkopen.2026.13102

Disclaimer: This audio summary is based on personal interpretation and does not guarantee the exact content of the original paper. Please refer to the original article for details.