Headaches are normal for the first few days of Phase 2 on the diet as the body adjusts to the low calorie diet. It is also normal during phase 1 loading due to the extra intake of sugars. While on P2 it is okay to take aspirin for headaches and other pains. If you are drinking large amounts of caffeinated beverages (coffee and tea), then be sure to also drink a good amount of water or cut back [Continue Reading...]