What happens when you fast? How long does it take to start losing weight when fasting? What are the common side-effects of fasting? When you fast for extended periods of time, your body goes into a fat-burning mode. However, it takes some time to start seeing weight loss—your body needs to adapt to tapping into your fat stores for energy. During this acclimation phase, you may feel some adverse effects, including lethargy, headaches, and fatigue. Keep reading to learn what happens in your body when you fast.
What Happens When You Fast?










