India, Nov. 10 -- We often think of diet and exercise as the key to managing blood sugar. But what if the air we breathe also plays a part? Researchers have found that using portable air filters during sleep may help curb large glucose swings in adults with prediabetes. Prediabetes is a serious health condition that increases your risk of developing type 2 diabetes, heart disease, and stroke. (Source: CDC) Normal blood sugar levels are characterised by a fasting blood glucose level below 100 mg/dL, a post-meal (2-hour) glucose level below 140 mg/dL, and an HbA1c below 5.7%. Prediabetes is indicated by fasting glucose levels of 100 - 125 mg/dL, post-meal levels of 140 - 199 mg/dL, or an HbA1c of 5.7% - 6.4%.
According to the U.S. Centres fo...