In general, people can survive for two to eight weeks without food, depending on stored body fat and muscle mass.  Nutrition information from your favorite restaurants! RealAge - Health Tips - Health Assessments and Tips to Live a Longer Life. How Blood Sugar Levels Affect Weight Loss. Diet and Weight Loss Tutorial When we eat, our body converts digestible carbohydrates into blood sugar (glucose), our main source of energy.
Our blood sugar level can affect how hungry and how energetic we feel, both important factors when we are watching how we eat and exercise. It also determines whether we burn fat or store it. The 11 Best Foods You Aren’t Eating - Well Blog. Health News, Wellness, and Medical Information.