The problem with a typical western-style diet is that our food is too delicate or highly processed.

Finishing process removes many important nutrients in food, such as fiber, iron and vitamin B. Finishing can make food:

The best period for eating refined food is longer, because those harmful substances, such as mold, are not interested in foods with low nutritional content. A well-processed hamburger is less prone to mildew than those made of natural materials at home.

The question is, if the nutritional content of a food is low and harmful substances are unwilling to erode it, what are their benefits to the human body?

For example, a bottle of soda water can provide high energy, but it has no nutritional value Foods with high calories but low nutritional value can be called "energy-intensive foods", but their nutritional value is very low. On the contrary, a bundle of fresh spinach is a "nutrition-intensive food" with relatively high nutritional value and less calories.

Some additives, such as colorants, synthetic spices, stabilizers and some other preservatives, are usually used to strengthen packaged foods and create the illusion that we have many choices when shopping in supermarkets.

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