Fasting (not eating or drinking) during religious holidays has been practiced for thousands of years and is part of many faith-based traditions. The amount of time, frequency, and type of fast vary among different religions, but all have spiritual meaning. If you have diabetes and are planning to fast or change your eating plan for observing Ramadan, Lent, or Yom Kippur, careful planning is important to stay healthy. Read on to learn more about how to safely fast. What to Do Before the Fast Fasting as a person with diabetes increases your risk of hypoglycemia, dehydration, hyperglycemia, and