Heat and Exercise in Aging as Therapy (HEAT)

This study tests whether combining heat therapy (like sauna or hot baths) with exercise can improve blood sugar control and reduce the risk of developing type 2 diabetes in older, sedentary, postmenopausal women who have prediabetes. Heat therapy alone has shown promise in some studies for improving metabolism. **You may be eligible if...** - You are a woman aged 50 or older who has gone through menopause - You are not currently doing regular structured exercise - You weigh at least 110 pounds - You have prediabetes (fasting blood sugar between 100–125 mg/dL or HbA1c between 5.7–6.4%) **You may NOT be eligible if...** - You have been diagnosed with type 2 diabetes - You have heart disease, uncontrolled high blood pressure, or other serious health conditions - You use medications that affect blood sugar levels (like metformin) Talk to your doctor to see if this trial is right for you.