A low-carb diet limits your consumption of foods that are high in carbohydrates (carbs) such as bread, pasta, rice, and sugary foods. When you digest carbs they turn into glucose, a type of sugar that your body uses for energy. For this reason, a low-carb diet might be used to aid general weight loss, or to help people with diabetes manage their blood sugar levels.
This is a companion discussion topic for the original article at https://patient.info/news-and-features/what-is-a-low-carb-diet-and-is-it-healthy