A rise in blood glucose stimulates insulin production to get it back down to normal levels. Insulin decreases blood sugar levels: when it fluctuates or gets too low, your body thinks it needs more fuel. So you eat even when you don’t really need to. (5)
On the other hand, proteins keep us active and awake. Eating protein stimulates orexins, which make you feel alert and promote active metabolism to burn calories. (6)
4. Frequent Cold and Flu
Too much sugar depresses the immune system. That’s because glucose reduces the activity of white blood cells, which are responsible for killing pathogens like viruses. (7)
Eating too much sugar on a regular basis makes us more susceptible to whatever contagion may be floating around because our bodies are less able to fight it.
Read more: foods to avoid with diabetes
5. Dull Taste Buds
Many people define a sweet taste as pleasant. Our tongue gets used to different flavors and sugar is no exception.