There are many factors like society, dietary habits have changed so it is not possible to take the balance diet every time. Taking the balance deit need proper planning. You must have to eat as per the food pyramid. Generally the healthy diet consists of plenty of fruits and vegetables and whole grains. It is advisable that the Fruits and vegetables must be fresh. It is good if we take the fruits in raw. The present trends in US is totally advers than the food pyramid. Today people consume more fast food than the conventional balance food.
Some people are health conscious do they take only "empty" calorie foods like candy, sweets, chips, or other highly processed foods that contain very little real nutritional value other than calories.