Learn everything about Intermittent Fasting : its science, health benefits , fasting methods, side effects, and tips for beginners. A complete guide to help you start your fasting journey the smart way. Intermittent fasting is an eating pattern that alternates between periods of eating and fasting, typically to improve health and aid in weight management. Numerous studies suggest that it can have powerful benefits for your body and brain. Here are 10 evidence-based health benefits of intermittent fasting . Research shows that intermittent fasting may improve some signs of health in the short term. These include: Blood sugar. Weight. Blood cholesterol. Blood pressure. Chronic inflammation. But the long-term health effects of intermittent fasting aren't clear.