Breakfast really is the most important meal of the day. … Studies show that eating a healthy breakfast (as opposed to the kind containing doughnuts) can help give you: A more nutritionally complete diet, higher in nutrients, vitamins and minerals. It is the most important meal of the day. A healthy breakfast is very important for our health and weight management, but not having it at all is the worst option. Eating in the morning is just a matter of habit. Taking 10 minutes to make and eat some healthy food in the morning can be simple.