Martin Johnson Heade, Orchid with Two Hummingbirds (1871), oil

The vast difference in the effects of different types of calories on the body comes down to the hormone insulin. Eating too many refined carbohydrates releases insulin, which programs fat cells to suck in and store the sugar calories. Blood-sugar levels drop, which triggers a starvation response. We experience that as slowed metabolism and becoming hungry again shortly after eating.

The Exercise Cost of Soda and Juice