If you graze all day, that wear-down is pretty much continuous. Sticky platelets can lead to clotting and heart attacks. So you need more insulin. Heart attacks lurk around that corner too. It's a small thing, but every bit helps.
Food can become a conflict-resolution tool.
People use snacks to get through emotional trauma, then suffer with guilt afterward. It becomes a roller coaster. Finally, number six - depletion of your stomach's hydrochloric acid. Grazing can also disturb your sleep. Start with a good breakfast.