If you live with fatigue or brain fog, you may have noticed that how—and when—you eat can make a real difference to how you feel. One important factor influencing variability of symptoms is blood sugar. While dramatic highs and lows in blood sugar are well known in diabetes, they can affect us all, and fluctuations in blood glucose can contribute to fatigue, poor concentration, and energy crashes. This is why it is so important to manage blood glucose (sugar) levels if you h