One more reason to eat your veggies: Nutrients in cruciferous vegetables like broccoli and bok choy help ensure that the immune system is working properly.

Reseachers fed mice a vegetable-poor diet and found that up to 80 percent of the immune cells in their gut and skin disappeared within three weeks. Such cells are the body’s first line of defense. Nutrients in cruciferous vegetables are particularly good at regulating the cells.

Try This:
Winter Broccoli Soup