Weather can change in an instant, and if you live somewhere where it’s 40 degrees one day and 80 the next, then you know exactly what we’re talking about. But did you know that fluctuating temperatures also affect your blood sugar levels? Both hot and cold weather extremes have a negative impact on your body’s ability to produce and use insulin. Dr. Lori Roust, endocrinologist at Mayo Clinic, explains that “when you’re dehydrated, you have higher concentrations of blood sugar because less blood flows through your kidneys.” Dr. Roust also says that it’s important for people with type 2 diabetes to try and avoid holiday treats as they tend to be loaded with carbs that cause your blood sugar to rise. Read more about Dr. Roust’s tips here.