Because fast food and junk food don't contain adequate amounts of protein and good carbohydrates, your blood sugar levels will drop suddenly after eating, leaving you feeling grumpy, fatigued and craving sugar.
Junk Food Contributes to Poor Performance and Obesity
Junk Food Can Lead to Diabetes
Over time, this stress damages your body's ability to use the insulin secreted by your pancreas. A healthy diet can help maintain your body's insulin sensitivity.