Carbohydrates are the main energy source for our bodies. Is important to understand the difference between healthy and unhealthy carbs. Consuming too many "bad" carbs and not enough "good" carbs causes weight gain, impedes weight loss and can put one at risk for various illnesses and diseases.
This infographic entitled "Good Carbs, Bad Carbs and the Ugly Truth About Your Diet" is a very simple, yet informative, illustration of healthy and unhealthy carbohydrates, the Glycemic Index (GI) and the Glycemic Load (GL). In summary:
Bad Carbohydrates are refined and processed and are absorbed by the digestive system quickly, which causes blood sugar level to spike. This, in turn, causes the body to store excessive sugar as fat. Processed, junk and fast foods (like soda, cereals and white bread) are typically loaded with bad carbs.
Good Carbohydrates are unrefined and unprocessed and contain dietary fiber. They are absorbed by the digestive system gradually and do not cause blood sugar level spikes. Whole grains, legumes, beans, lentils and many fruits and vegetables are excellent sources of good carbs.
Related: Good vs. Bad Carbs
Infographic Source: Low Carb Foods