Most people understand that fasting means avoiding food for select amount of time. A more specific definition states that intermittent fasting is a specific eating pattern cycling between eating and not eating. The most important concept to understand is that TIME is the most important factor involved with intermittent fasting. Intermittent fasting is not a one size fits all approach. There are numerous different types of fasting protocols including time restrictions, caloric restrictions, and dietary restrictions. Caloric restriction means reducing the number of calories you consume of specific days. Dietary restrictive fast involves significantly reducing s specific type of food usually carbohydrates.
Weight loss and boosting the immune system are common reasons for people starting a fast. Weight loss usually leads to better overall health and improvement of specific biomarkers. These include blood pressure, cholesterol, blood glucose, and inflammatory markers. Of course, you absolutely need to discuss this with your doctor before attempting any change in diet.